题目内容
6.(2015广东中堂晨星学校中考预测) 一May we leave the classroom now?
一No,you . You to leave until the bell rings.
A.mustn’t; are allowed B.don't have to; are supposed C.needn’t; aren’t allowed D.can’t; aren’t supposed
6.D否定回答可用can’t,mustn’t或may not。may not可能不; can’t不能够;mustn’t禁止。
be allowed to被允许做某事；be supposed to应该，被期望做某事。句意:我们现在可以离开教室吗？——不，你们不能。你们直到铃响才能离开教室。结合语境可知前文用can’t,mustn’t语气较重，may not语气太轻。同理，be allowed to语气则太重，故选D.
阅读快车系列答案补全对话
A: Good morning,Mike.
B ： Good morning,Harry. 1
A: There’s still smog (雾靈) today. We’ll have to go to school with surgical masks (口罩) .
B ：2 According to the news,PM2. 5 pollution is the main problem with air pollution.
A:Yes,and air pollution has done harm to people’s health.
B ： So the Chinese government and Chinese people must take action to fight it.
A： 3
B: Since (由于) PM2. 5 is mainly caused by vehicles (机动车) and factories,cars with large emissions (排放) should not be allowed and factories should be watched closely.
A ：4 We hope that more and more people will join us in making the blue skies return for good.
B： 5
I agree. What a pity (真遗憾）！ I hope so, too. Can you give some advice? How’s the weather today?
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1. 2. 3. 4. 5.