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13.-My computer ____start,no matter how hard I try.
-lt might have crashed.(  )
A.won'tB.shouldn'tC.mustn'tD.wouldn't

分析 -不管我怎么努力,我的电脑就是启动不了.
-可能死机了.

解答 答案:A.
这里用情态动词will表示"表示习惯,经常性,倾向性,惯于,总是",B.shouldn't 不应该,C.mustn't  禁止,D.wouldn't不愿意,所以选A.

点评 此题主要考查情态动词的基本意义,做题时应充分考虑句意.

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