1 Unit 4 Part A第Ⅰ题答案
D A C B
2 Unit 4 Part A第Ⅱ题答案
F T F T T
3 Unit 4 Part A第Ⅲ题答案
（单词至上而下）C A D B
4 Unit 4 Part A第Ⅳ题答案
1、gym
2、dining hall
3、six months ago
4、last month
5 Unit 4 Part A第Ⅴ题答案
1、is
2、weren't
3、was
4、were
5、couldn't
6 Unit 4 Part A第Ⅵ题答案
A：1 - 5 A B B B C
12345ABBBCB：
例 :There was no library five years ago.There is a library now. There was no art room five years ago. There is a small art room now. There were many talk trees two years ago. Now there are some small trees. There were no TVs and computers in our schoo1、 There are many TVs and computers now.
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