精选优质文档-倾情为你奉上新概念英语第四册课后题答案Lesson 1 CABDD BDAAC ABLesson 2 BCBDC ACAAD BCLesson 3 CABDA CDABA CDLesson 4 ACCAB BCDAA BDLesson 5 CABAB DACBB DDLesson 6 CACCC AAADB AALesson 7 DCABA BACDA ACLesson 8 BDABD BAABC BCLesson 9 CDBAA CABAC ADLesson 10 CAABD CBBDC AALesson 11 AABDD DADDB DDLesson 12 CABAC CDACA ABLesson 13 ACDAC BDABC ADLesson 14 DBDCC ACCBD BDLesson 15 CADCD DBACA CALesson 16 ABCCA DDBAB ACLesson 17 BBADA BBDCD CALesson 18 BABCD CDCCC BALesson 19 BBCAD AABDD
