7.　 What　 about　 being a children’s doctor　 when　 you 　　　　　　　　(长大) up ?

6. We cannot decide　　　　　　　 　(谁)should open the present first　 .

5. In a few y　　　　　　 　time, those mountains will be covered with trees.

4.It is impossible for fish to live w　　　　　　　 　water.

3. The t　　　　　　　 　mother got into the lifeboat and joined her children.

2. They kicked a goal, but we s　　　　　　　 　got one ourselves　 .

1. A pet can help a person feel less l　　　　　　 .

10.Thank you for asking　 me to your birthday 　　　　　　　　　(聚会).

第(12)组：

9.This maths problem isn’t 　　　　　　　　(难) . I’m sure you can work it out easily.

8. We are students. It is our 　　　　　　　　(责任) study　 hard.