新概念英语第四册课后答案详解,最新新概念英语第四册课后答案
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Unit 1 CABDD BDAAC AB
Unit 2 BCBDC ACAAD BC
Unit 3 CABDA CDABA CD
Unit 4 ACCAB BCDAA BD
Unit 5 CABAB DACBB DD
Unit 6 CACCC AAADB AA
Unit 7 DCABA BACDA AC
Unit 8 BDABD BAABC BC
Unit 9 CDBAA CABAC AD
Unit 10 CAABD CBBDC AA
Unit 11 AABDD DADDB DD
Unit 12 CABAC CDACA AB
Unit 13 ACDAC BDABC AD
Unit 14 DBDCC ACCBD BD
Unit 15 CADCD DBACA CA
Unit 16 ABCCA DDBAB AC
Unit 17 BBADA BBDCD CA
Unit 18 BABCD CDCCC BA
Unit 19 BBCAD AABDD BC
Unit 20 BCADC CCBDB CA
Unit 21 BDBBA ADDAB CA
Unit 22 CDACB ADBCD AB
Unit 23 CADCC DCABC AC
Unit 24 AACCB CADDA CD
Unit 25 DBADD CACDB CA
Unit 26 CBCBA CDDAB AC
Unit 27 BCDCC ACCDD DA
Unit 28 ADCDA BCADA BD
Unit 29 CCADD CCADA BC
Unit 30 CABDD BCCAC DC
Unit 31 AABAD BADDC BD
Unit 32 BDCBA DBDCA BC
Unit 33 BDBAD BCCDC BA
Unit 34 DCACB DACDB CA
Unit 35 CBCAC ABBDC CD
Unit 36 ACBCC ACCDB AC
Unit 37 CABAC DBCDC BD
Unit 38 CAABB ACBDD AB
Unit 39 BCADA BDDBD BC
Unit 40 DCDAC ADDDA DB
Unit 41 ACACD CBBBD BC
Unit 42 BCCBD BDADC AC
Unit 43 DBABC CDDAC BB
Unit 44 AAAAB BBBDC BA
Unit 45 CADAC CACDC DC
Unit 46 BBDBD ABCDA BD
Unit 47 CAADB CACDB BC
Unit 48 CCBCC CCDBA AB
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