1. —Thank you for helping me with my  English.

A.You are welcome B.Don't thank  me

C.You are really polite D.I disagree with  you

7. 人们4,000多年前开始用它做数学。

People started using it over 4， 000 years ago _

6. 你不必输入像the这样的同。

You____type in words such

as the.

5. 通过使用搜索引擎，你可以找到你需要的信息。

You can find the information you  need__

4. 我希望我们能一起努力来阻止学生花费太多时间玩电 脑游戏。

I hope we can all work  together___

__too much time playing computer  games.

3. 这对他们的健康有害。

This_ _their health.

2. 这名学生整个星期六都在网上玩电脑游戏，不喝、不 吃、不睡觉。

The student played computer games on the  Internet all clay Saturday____, eat or sleep.

1. 谢谢你们参加这个会议。 ____this meeting.

5. 对……有害_

6. 在……前面_

7. 输人_

8. 去医院_

9. 和某人交谈_

1. 参加会议_

2. 曾经;过去常常_

3. 阻止某人做某事_

4. 停下来去做某事_