11. 保护环境和发展经济同样重要。

　 　　Protecting the environment is _________ _________ _________ developing economy.

10. 来吧,孩子们!该吃午饭了。

　　 Come on, children!_________ _________ to have lunch.

9. 建造这座纪念碑将花费工人们一个月的时间。

　　 It will _________ the workers a month _________ _________ the monument.

8. 你一到加拿大就给我打电话好吗?

　　 Will you please call me _________ _________ _________ you get to Canada?

7. 电影《憨豆先生》太有趣了,我看了三遍。

　　 The movie Mr. Bean is _________ _________ _________ I have watched it three times.

6. 老师要求我们保持教室干净。

　　 Our teacher tells us to _________ the classroom _________.

5. 我不知道他爸爸昨天为什么生他的气。

　　 I don’t know why his father was _________ _________ him yesterday.

4. 汤姆,轮到你给花园的花浇水了。

　　 It’s _________ _________ to water the flowers in the garden, Tom.

3. 约翰无论什么时候睡觉,总是睡不够。

　　 John doesn’t get enough sleep _________ he _________ to bed.

2. 我爸爸以前是教师,而现在他是商人。

　　 My father _________ _________ be a teacher, but now he is a businessman.