3. 英,人不喜欢在公开场合大笑或喧哗。

British people don't like in public.

2. 直到他告诉我，我才注意到那个标志。

I that sign until he told me.

六、完成句子。(10分)  

1. 我们嘴里含着食物说话是不礼貌的。

It’s for us to talk food in our mouth.

10. How heavily it (rain) ! We have to stay at home today.

9. I (not hear) from Jim for about two months.

8. Nobody knows what he (do) at that time.

7. Amy,(keep) your voice down in the library,please. Everyone is studying hard now.

6. He watched the result of the test and then (draw) a conclusion.

5. I'm sure you’ll pass the English exam if you (not be) careless this time.

4. Most people around the world greet others by (shake) hands.