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7B
Unit
6 Pets
典例解析
一、单项选择
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1.
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— Must I finish
doing all the exercises today?
— No you _____.
You _____ finish them tomorrow.
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A. mustn’t; must
C. can’t; can
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B. needn’t; can
D. shouldn’t;
should
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[答案]B
[解析]本题考查情态动词的用法。must提问的一般疑问句，肯定回答用must，否定回答用needn’t，根据语境，后空格用can，表示“你可以明天完成它们”，故本题选B。
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2.
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Boys and girls,
_____ up your hands if you want to take part in the summer camp.
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A. putting
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B. to put
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C. put
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D. puts
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[答案]C
[解析]本题考查祈使句的用法。由关键信息Boys and girls和题意可知此处为祈使句，应以动词原形开头，故正确答案为C。
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