TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The host cell is one of a bacterium (preferably Bacillus, or E.coli) or a fungus (preferably yeast, Aspergillus, Chrysosporium, or Trichoderma).    TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Composition: The composition (C1) further comprises the polypeptide (p5). The compositions (C1) and (C2) are a culture mixture, a fermentation broth of a host cell expressing at least one of the polypeptide, or whole broth formulation of the fermentation broth; further comprises a polypeptide having cellolubiohydrolase activity and/or a polypeptide having endoglucanase activity; comprises a whole cellulase; comprises the polypeptides having xylanase (10-20 wt.%), beta -xylosidase (5-20 wt.%), beta -glucosidase (18-30 wt.%), L- alpha -arabinofuranosidase (0.2-2 wt.%), GH61/endoglucanase (6-20 wt.%), and cellobiohydrolase (15-25 wt.%) activities relative to the total amount of proteins. The ratio of the weight of Group 1 beta -xylosidase to the weight of Group 2 beta -xylosidase is 1:10 to 10:1 , 1:9 to 9:1 , 1:8 to 8:1 , 1:7 to 7:1 , 1:6 to 6:1 , 1:5 to 5:1 , 1:4 to 4:1 , 1:3 to 3:1, 1:2 to 2:1, or 1:1. At least one of the polypeptide is heterologous to the host cell engineered to express the polypeptides. At least two of the polypeptides are derived from different microorganisms. At least one of the polypeptides is from a Fusasrium, or a Trichoderma. Preferred Method: In the method (M1), the lignocellulosic biomass mixture comprises agricultural crop, byproduct of food/feed production, lignocellulosic waste product, plant residue, or waste paper; and further comprises a fermentable sugar. The plant reside is selected from grain, seeds, sterns, leaves, hulls, husks, corncobs, corn stover, potatoes, soybean, barley, rye, oats, wheat, beats, sugarcane bagasse, sorghum, straw, grasses, canes, reeds, wood, wood chips, wood pulp, or sawdust. The grass is selected from Indian grass or switch grass. The biomass material in the lignocellulosic biomass mixture is subjected to pretreatment (preferably an acidic or a basic pretreatment). The basic pretreatment is with dilute ammonia. The acidic pretreatment is with dilute acid. In the method (M2), the lignocellulosic biomass material is subjected to pretreatment before it contacts the enzyme composition. The ethanologen microorganism is yeast, or Zymomonas mobilis. In the methods (M1) and (M2), the enzyme composition comprises 2-20 g of polypeptide having xylanase activity; comprises 2-40 g of polypeptide having beta -xylosidase activity; and comprises 3-50 g of polypeptide having cellulase activity per kilogram of cellulose in the biomass material, where the amount of polypeptide having beta -glucosidase activity constitutes up to 50% of the total weight of polypeptide having cellulase activity. The enzyme composition is used in an amount, and under conditions and for duration sufficient to convert 60-90% of the xylan in the biomass material into xylose. Preferred Components: The polypeptide (p1) is selected from a polypeptide comprising an amino acid sequence that has at least 70% identity is selected from 4 amino acid sequences as given in the specification e.g. amino acid sequence containing 228 amino acids (SEQ ID NO: 24) as given in the specification, or its mature sequence; or encoded by a nucleotide having at least 70% identity is selected from 3 nucleic acid sequences as given in the specification e.g. nucleic acid sequence containing 739 base pairs (SEQ ID NO: 23) as given in the specification, or by a nucleotide that is capable of hybridizing under high stringency condition is selected from 3 nucleic acid sequences as given in the specification e.g. (SEQ ID NO: 23), or its complement. The polypeptide having beta -xylosidase activity of Group 1 comprises an amino acid sequence (s1) having at least 70% identity is selected from 2 amino acid sequences as given in the specification e.g. amino acid sequence containing 766 amino acids (SEQ ID NO: 2) as given in the specification or its mature sequence, and the polypeptide having beta -xylosidase activity of Group 2 comprises an amino acid sequence having at least 70% is selected from 11 amino acid sequences as given in the specification e.g. amino acid sequence containing 445 amino acids (SEQ ID NO: 4) as given in the specification or its mature sequence; and is encoded by a nucleotide comprises the amino acid sequence (s1). The polypeptide having beta -xylosidase activity of Group 1 is encoded by a nucleotide having at least 70% identity is selected from 9 nucleic acid sequences as given in the specification e.g. nucleic acid sequence containing 2358 base pairs (SEQ ID NO: 1) as given in the specification, and the polypeptide having beta -xylosidase activity of Group 2 encoded by a nucleotide having at least 70% identity is selected from 10 nucleic acid sequences as given in the specification e.g. nucleic acid sequence containing 1338 base pairs (SEQ ID NO: 3) as given in the specification; or the polypeptide having beta -xylosidase activity of Group 1 capable of hybridizing under high stringency conditions is selected from 9 nucleic acid sequences as given in the specification e.g. (SEQ ID NO: 1), or its complement; and the polypeptide having beta -xylosidase activity of Group 2 capable of hybridizing under high stringency conditions is selected from 10 nucleic acid sequences as given in the specification e.g. (SEQ ID NO: 3) or its complement. The polypeptide (p3) is a polypeptide comprising an amino acid sequence that has at least 70% identity is selected from 5 amino acid sequences as given in the specification e.g. amino acid sequence containing 574 amino acids (SEQ ID NO: 12) as given in the specification, or its mature sequence; or a polypeptide encoded by a nucleotide having at least 70% identity or a nucleotide capable of hybridizing under high stringency conditions is selected from 5 nucleic acid sequences as given in the specification e.g. nucleic acid sequence containing 1725 base pairs (SEQ ID NO: 11) as given in the specification. The polypeptide (p4) is a polypeptide comprising an amino acid sequence having at least 60% identity is selected from 16 amino acid sequences as given in the specification e.g. amino acid sequence containing 733 amino acids (SEQ ID NO: 54) as given in the specification; or a hybrid polypeptide comprising greater than or equal to 2 beta -glucosidase sequences, where the first sequence derived from a first beta -glucosidase is at least 200 amino acid residues in length and comprises at least one or all of the amino acid sequence is selected from 13 amino acid sequences as given in the specification e.g. amino acid sequence containing 23 amino acids (SEQ ID NO: 96) as given in the specification, and the second sequence derived from a second beta -glucosidase is at least 50 amino acid residues in length and comprises at least one or all of the amino acid sequence is selected from 8 amino acid sequences as given in the specification e.g. amino acid sequence containing 19 amino acids (SEQ ID NO: 109) as given in the specification, and optionally a third sequence derived from a third beta -glucosidase of 3, 4, 5, 6, 7, 8, 9, 10, or 11 amino acid residues in length encoding a loop sequence is selected from 2 amino acid sequences as given in the specification e.g. Phe-Asp-Arg-Arg-Ser-Pro-Gly (SEQ ID NO: 204); or a polypeptide encoded by a nucleotide that has at least 60% identity or is capable of hybridizing under high stringency conditions is selected from 15 nucleic acid sequences as given in the specification e.g. nucleic acid sequence containing 2260 base pairs (SEQ ID NO: 53) as given in the specification, or its complement. The polypeptide (p5) is a polypeptide comprising an amino acid sequence having at least 70% sequence identity is selected from 5 amino acid sequences as given in the specification e.g. amino acid sequence containing 344 amino acids (SEQ ID NO: 52) as given in the specification, over a region of at least 100 residues; or a polypeptide that is at least 200 residues in length, having GH61/endoglucanase activity, and is selected from 8 amino acid sequences as given in the specification e.g. amino acid sequence containing 19 amino acids (SEQ ID NO: 84) as given in the specification; or polypeptide encoded by a nucleotide having at least 70% sequence identity or is capable of hybridizing under high stringency conditions to nucleic acid sequence containing 1044 base pairs (SEQ ID NO: 51) as given in the specification or its complement. The polypeptide having beta -glucosidase activity is a hybrid polypeptide comprising at least two beta -glucosidase sequences, where the first sequence derived from a first beta -glucosidase is at least 200 amino acid residues in length and comprises at least one or all is selected from 6 amino acid sequences as given in the specification e.g. Tyr-Pro-Ser-Pro-Trp-Met-Asp-Pro (SEQ ID NO: 197) as given in the specification, and the second sequence derived from a second beta -glucosidase is at least 50 amino acid residues in length and comprises amino acid sequence containing 15 amino acids (SEQ ID NO: 203) as given in the specification, and optionally a third polypeptide sequence of 3-11 amino acid residues in length is selected from 2 amino acid sequences as given in the specification e.g. (SEQ ID NO: 204). EXAMPLE - No suitable example given.