七．形容词、副词练习答案

1-10 BABDB；DCBCB 11-20 BACCA；ADCBA

21-30 CBCDB；CBAAC 31-40 AABAC；BCDBA

41-45 ABBCC

八．平行结构答案

1-10: DCACA; AACAA 11-20: BCADD; ABBAC

21-28: ABBAB; DBA

九．主谓一致练习答案

1-10 ADBBD； ADBCB 11-20 CCDAC; BABDC

十．反意疑问句练习答案

1-10 CABCA ; ACBDB 11-20 ACBDA; DBADD

21-30 CABCD;CBBAC 31-40 BCDCA; CACDA

十一. Keys to vocabulary and structures

Vocabulary and structures 1：

1-5 DCADD 6-10 BCCAD 11-15 DCCCB 16-20 BAABD

21-25 DADAC 26-30CDADA 31-35 DDDAA 36-40 ABACC

Vocabulary and structures 2：

l-5 CBABD; 6-10 BCBCA 11-15 CDDAC;

26-30 CDABD 16-20 BCADD 21-25 BCADA;

Vocabulary and Structures 3：

1-10 CCBBC; DDACB 11-20 CCCAD; DBBAA 21-30 BAAAC; DCBBA

Vocabulary and Structures 4：

1-5 BDCAD 6-10CBBCB 11-15 AAADC 16-20AAACA

21-25ADD CB 26-30ADBDA

Vocabulary and Structures 5： 31-35CCADD 36-40 BBCAC