(2013·高考安徽卷)It ________ be the vocabulary that caused you the problem in the exe
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(2013·高考安徽卷)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.A.may | B.couldn’t | C.should | D.needn’t |
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答案
B |
解析
选B。句意:你难以完成那道练习题,不可能是词汇量的原因,因为你掌握了大量的词汇。根据原因状语从句 because you know a lot of words可知,主句应该是否定的,A项和C项可排除。needn’t表示“不必”。此处为对可能性的推测,couldn’t表示“不可能”。 |
举一反三
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