4. 當(dāng)我們參觀博物館時(shí)應(yīng)該放低音量。

We shouldwhenwe visit the museum.

3. 他們對彼此都足夠禮貌。

They areeach other.

2. 排隊(duì)等候是一種很好的禮儀。

a good manner.

五、完成句子。(25分)

1. 在公共場合大笑是不禮貌的。

impolite.

5. He is too young to go to school.(同義句轉(zhuǎn)換) 

He isn’t go to school.

3. You should drop litter everywhere.(改為否定句) 

You litter everywhere.

2. They like to talk about the weather to start a conversation.(對畫線部分提問) 

do they to talk about to start a conversation?

7. The girl didn’t know where she could find her mother.(同義句轉(zhuǎn)換) 

The girl didn’t know where her mother.

四、按要求改寫句子，每空一詞。(15分)

1. They greet each other by shaking their hands.(對畫線部分提問)

do they each other?

10. You should always try to avoid (cross) this street in rush hours.