— The terrible accident is under investigation. — Actually, quicker action ____
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— The terrible accident is under investigation. — Actually, quicker action _________ those workers trapped in the mine. A.may have saved | B.must have saved | C.should have saved | D.could have saved |
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答案
D |
解析
情态动词用法辨析。A也许会做某事;B一定做了某事;C本应该做某事;D本可以做某事;结合句意可知D正确。句意:—这个可怕的事故正在调查中。—实际上,迅速行动本可以挽救那些被困在煤矿中的工人。 |
举一反三
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I __________use a clock to wake me up because at six o"clock each morning the train comes by my house. A.couldn’t | B.mustn’t | C.shouldn’t | D.needn’t |
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