He studied hard and ____ pass the examination . A．could able toB．couldC．was able
题型：不详难度：来源：
He studied hard and ____ pass the examination . | A．could able to | B．could | C．was able to | D．ought |
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答案
| C。 |
解析
| be able to 含有“经过努力而完成某一动作”的意思，相当于 manage to do 或 succeed in doing，而 can 只“单纯地表示能力或可能”。 |
举一反三
You don""t look well . You ____ have a fever . | A．might | B．can | C．shall | D．should |
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I saw him leave the office an hour ago . He ____ at this time . | A．mustn""t be working | B．can""t be working | | C．can""t work | D．may not being working |
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| Why ____ you keep on troubling me with such questions while I""m busy ? |
Help me with this suitcase , ____ you ? | A．don""t | B．will | C．do | D．shall |
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— ____ I go out to play now , Mum ?
— No , you ____ . | A．May ; shouldn""t | B．Can ; needn""t | C．Must ; can""t | D．May ; mustn""t |
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