单句改错
【小题1】It has been announced that candidates may remain in their seats until all the papers have been collected.
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【小题2】When I read the story last night, I wouldn’t help thinking of my days in the countryside.
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【小题3】You should be tired after the long trip, aren’t you?
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【小题4】Tom, you needn’t leave all your clothes on the floor like this!
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【小题5】You can’t imagine that a well-educated gentleman might make such a silly mistake.
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【小题6】—Must I pass the book on to Mary when I finish it?
—No, you can’t.
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