________, it began to rain unexpectedly.A.While cleaning the machineB.To clean t
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________, it began to rain unexpectedly.A.While cleaning the machine | B.To clean the machine | C.He was cleaning the machine | D.While he was cleaning the machine |
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答案
D |
解析
试题分析:考查句子结构。后面句子的主语是it说明AB错误,因为要使用非谓语动词做状语,要求非谓语动词的逻辑主语是句子的主语。C项是一个完整的句子,逗号后面也是完整的句子,两个句子之间缺少连词连接,故C错误。句意:当他在清洁机器的时候,突然开始下起雨了。故D正确。 点评:两个句子之间必须有连词连接,如果没有连词,那么其中一个就要变成短语的形式来呈现。 |
举一反三
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you talk to someone or write a message,you show your skills to others.A.At times | B.Some time | C.Every time | D.The time |
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He tried his best to solve the problem, _______difficult it was.A.no matter | B.no matter how | C.whatever | D.although |
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_________ much I dislike the idea of begging in the street, we should still show consideration for those who are in difficult situations.A.However | B.How | C.Whatever | D.No matter |
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