3. 地板上有一张纸。请把它捡起来。

There is a piece of paper on the floor.Please  .

2. 工厂关闭的时候，这些工人失去了他们的工作。

These workers lost their jobs when the factory .

1. 稍等一下。我去接个电话。

 .I will go to answer a call.

10. —What should we do now,Mr. Clark?

—Please turn to Page Five and look at the (five) picture.

8. The boy (hide) under his bed so that his brother couldn’t find him.

9. She goes swimming once or (two) a month.

6. ( sudden) , he came with a basket of flowers.

7. Many countries have to face the same problem—the (increase) population.

5. I can't read your words. You must pay a to your handwriting.

4. The basketball h him on the head when he came into the classroom.

3. Because of the water p ，dolphins and sharks are in danger.

2. My father was cooking w my mother was reading newspaper.