18. It is no use (good) doing…

假装不懂规则是行不通的。

It’s no use pretending that you didn’t know the rules.

17. as if

他夸夸其谈好像什么事都知道。

He talks a lot as if he knows everything.

16. not…until

直到他告诉我发生的事，我才了解真相。

I didn’t know the truth until she told me what happened.

15. make…+adj /n

我们所做的可以让世界更美丽。

What we do will make the world more beautiful.

14. Some…others

每个人都很忙，有些在读书，有些在写作。

Everyone is busy in classroom. Some are reading, others are writing.

13. One…the other

你看见桌子上有两只笔吗？一支是红色的，另一支是黑色的。

Have you seen two pens on the desk? One is red, the other is black.

12. …as well

这个小孩活泼又可爱。

The child is active and funny as well.

11. as well as

他善良又乐于助人。

He was kind as well as helpful.

10. Neither…nor

他是一个无聊的人，既不爱娱乐，也不爱读书。

He is a boring man. He likes neither entertainment nor reading.

9. either…or

如果考试过关，你可以买一个MP3或去云南玩一趟。

You could either buy an MP3 or go to Yunnan for a visit if you pass the exam.