Question

急！！！！新概念英语第二册第53课难点练习答案！！！！急

Answer 1

Lesson 1: bcbdc adbac cc
Lesson 2: cdcca bbadc db
Lesson 3: cacac bccba bb
Lesson 4: dbabb acbca cc
Lesson 5: cadbc dabcb bd
Lesson 6: dacdd adaba da
Lesson 7: bccda cdacb ab
Lesson 8: dbbac cbbad bb
Lesson 9: cbdaa bbdbb dc
Lesson 10: addcb cacac ca
Lesson 11: bbbab ccacc bd
Lesson 12: ccadd adacd aa
Lesson : 13 bdbca bbcaa ad
Lesson 14: bcacd bcbcb bb
Lesson 15: dbcbc dadcc cb
Lesson 16: aadab adadd da
Lesson 17: dbbdc cbaac ad
Lesson18 : Bdbdb cdcac cb
Lesson 19: Adccd bcbca cc
Lesson 20: Bcbbc bcacc da
Lesson 21 : cdcda cbbad cc
Lesson 22: dbddb dacda bb
Lesson 23: aaacc addbb ad
Lesson 24: baaca acccb ab
Lesson 25: cbbab cdbaa da
Lesson 26: adcbc ddabd bd
Lesson 27: dcddd baddc cc
Lesson 28: cdbbc dbdcd ba
Lesson 29: bccbd babbb cb
Lesson 30: aadab cccda dd
Lesson 31: dbaca adabc ac
Lesson 32: cccbb cadad bc
Lesson 33: dbdac bbccc ac
Lesson 34: dabca dcbcb ca
Lesson 35: adadd adaba dd
Lesson 36: addcd ccbad cc
Lesson 37: cbbbb dacdb ba
Lesson 38: bcaac bddba dd
Lesson 39: dacdd abacc ab
Lesson 40: ccbca acbbb bd
Lesson 41: aacdc bbada cb
Lesson 42: dddbb cddac da
Lesson 43: bbaad daccd ac
Lesson 44: cbccc bdaba bd
Lesson 45: bdabb dcbcb db
Lesson 46: acdda cbcad ca
Lesson 47: dabad aaddc ac
Lesson 48: cbcba cbbda bc
Lesson 49: dabab ccacc aa
Lesson 50: dbacc aadbb cd