2. We walked for a long time. Let’s ________a rest.
A. stop having B. stop to have C. having D. to stop to have
1. -Must I hand in my homework today?
-No, you ________. Tomorrow is OK.
A. mustn’t B. wouldn’t C. can’t D. needn’t
5. 你在过马路之前,必须要先左右看看。
You have to ________________before you cross the road.
4. 遵守交通规则是非常重要的。
________________ the traffic rules.
3. 15路公交车在10分钟前准时进站。
The No. 15 bus ________________ 10 minutes ago.
2. 如果你现在要出去,最好随身带着雨伞。
________________, ________________ an umbrella with you.
1. 如果明天不下雨,我们就去爬长城。
________________. We will go to the Great Wall.
1. May I use a ________ if I get lost in the forest.
2. The boy is going ________with his cousin if it is sunny tomorrow.
3. Riding on the roadway is not ________.
4. When you ride on the roadway, it is important to ________the traffic rules.
5. You should walk your bike across the ________and in school.
4. 不允许某人做某事时,可以说You can’t do sth. 或者Don’t do sth. (参见第12册Unit 10的Grammar Notes)。语气再强一点可以用Never do sth.或者You mustn’t do sth. 例如:
You mustn’t swim in the river. 你千万不要在河里游泳。
You mustn’t smoke here. 禁止在此处吸烟。
Never be late again. 千万不要再迟到了。
Never put your head, arms, or feet out of the bus windows. 千万不要把头、胳膊或脚伸出车窗外。
3. 要求某人做某事时,可以用You must do sth. 或Remember to do sth.结构。例如:
You must obey the traffic rules. 你必须遵守交通规则。
Remember to ride your scooter on the sidewalk. 记住在人行道上骑单脚滑行车。
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