3、　　　 我父亲以前到过长城。

2、　　　 他昨天收到一封信。

1、　　　 吉姆已做完作业，他现在有空了。

8、The bus has arrived here. It arrived ten minutes ago. (把两个句子合并成一个句子)　

　___________________________________________　　　　　　　　　　　　　　　　　　　

7、The Green Family moved to France two years ago. (同义句转换)

　　 _______ two years ________ the Green family moved to France.

6、Her mother has been a Party member for three years .(同义句)

　 Her　 mother _______ the　 Party　 three　 years　 ________ .

5、Miss Gao left an hour ago.　 (同义句转换)

Miss Gao ________ _______ ________ ________ an hour ago.

4、This factory opened twenty years ago.(同义句转换)

　 This factory 　　　　　　　　________ for twenty years.

3、The old man _________ last year. He 　　　　　　　　　　for a year. (die) (动词填空)

2、They have been here since 2000.　 (对划线部分提问)

　　 　　　　　　　　　　　　have they been here?