文档介绍：the 24564
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in 7967
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be 6673
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it 4164
for 4122
you 3737
that 3733
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many 2634
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an 1212
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man 1084
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look 688
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old 530
word 530
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last 512
ask 506
into 506
us 495
friend 489
car 483
just 483
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study 481
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before 476
over 476
now 469
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well 464
keep 456
live 456
each 445
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down 437
back 434
learn 434
job 425
play 423
change 422
family 418
world 412
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english 407
money 405
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too 394
try 378
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city 371
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problem 370
passage 369
even 368
put 362
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class 354
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three 353
its 352
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part 347
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used 339