(2014·济南市名校第四次诊断性测试)—Is the letter from your mother?—Yes.But she ________the let
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(2014·济南市名校第四次诊断性测试)—Is the letter from your mother? —Yes.But she ________the letter herself,because she doesn’t even know one word.A.needn’t have written | B.can’t have written | C.might not have written | D.should not have written |
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答案
B |
解析
考查情态动词。句意为:——这封信是你母亲寄来的吧?——是的。但这封信不可能是她自己写的,因为她一个字也不认识。根据because引导的原因状语从句可知,此处应用can’t have done表示对过去发生的事很有把握的否定推测。 答案: B |
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