[对点训练]

这座城市的人口已翻番了。

The population of the city .

[对点训练]

① 目前我们还买不起这么贵的车。

We such an expensive car now.

② Can you afford   (go) abroad this summer?

[对点训练]

In the museum,you can see many famous and valuable (work) .

[对点训练]

① How much did the new computer you?

   A. spend   B. cost   C. take   D. pay

②你必须为你的错误付出代价。

You have to your mistakes.

5. As time (逝去) ，my grandpa is:

getting weaker and weaker.

4. We can come up with a way to waste paper:

   (好好利用) .

3. We should (采取行动) together to deal with the thieves.

2. People will (付出代价) the:

pollution sooner or later.

II.根据提示写出下列词组或句型

1. After school,Tom .

(参加) all kinds of sports activities.

6. This group of chemicals is known to be (harm) to people.

5. We should learn to be (thank) to others.