Ⅰ. 用所给单词的适当形式填空
1. I (read) five books since I joined the book club.
2. It has been two months since my father (leave) for Italy.
3. —It's 20 years since we came back to Liangshan.
—How time flies! We (work) in our hometown for such a long time.
4. Han Mei, a good friend of mine, (help) me a lot with my English in the past three years.
5. Not only Jim but also his sister (visit) a few cities in the south since they came to China.

1. have read
2. left
3. have worked
4. has helped
5. has visited

Ⅱ. 根据句意及汉语提示完成句子
6. Don't worry. We will work out the problem by (我们自己).
7. The old pictures brought back sweet (记忆).
8. We enjoyed the (美丽) of the sunset.
9. I'll go with you (无论何时) you want.
10. My daughter's sweet (声音) always makes me relaxed.

6. ourselves
7. memories
8. beauty
9. whenever
10. voice

Ⅲ. 按要求完成句子(每空一词)
11. I became a teacher in 2000. (同义句转换)
I a teacher 2000.
12. The river became dirty this month last year. (同义句转换)
The river dirty for .
13. The shop closed two hours ago. (同义句转换)
The shop for .
14. They borrowed it last week. (同义句转换)
They it since .
15. They have been friends for ten years. (对画线部分提问)
have they been friends?

11. have been; since
12. has been; one/a year
13. has been closed; two hours
14. have kept; one/a week ago
15. How long