Key 1：
1-5 DBAAB 6-10 DDACD
状语从句专练30题：
1-5 ACADA 6-10 CBCBC
11-15 BDADA 16-20 BDBCA
21-25 DCDAC 26-30 DACBC
Key：
1-5 ADBAA 6-10 CDCDD
名词性从句专练30题：
1-5 CACAB 6-10 DBACD
11-15 BACAC 16-20 BDBDA
21-25 ACACD 26-30 BACBD
Key 3：
1-5 AACCB
Key 4：
1 It is pleasant 2 It is well-known
3 It took three hours 4 found it difficult
5 It was not until she took off her glasses
6 It is no use worrying
7 he has rung you
8 It was the second time
9 found somewhere to have dinner
10 It looks / seems / appears
It 用法及句型专练30题：
1-5 BBADB 6-10 CCCCD
11-15 ABDDB 16-20 DABCB
21-25 DAACB 26-30 BDDDB
一题不少,请给分