He pretended __________when his mother stepped into the room..A．to studyB．studyi
题型：不详难度：来源：
He pretended __________when his mother stepped into the room..| A．to study | B．studying | C．to be studying | D．to have studied |
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答案
| C |
解析
试题分析：考查不定式用法。不定式的一般式to do说明该动作在谓语动词之后发生；进行时to be doing表示两者同时发生；to be done表示被动；句意：当他的妈妈走进房间的时候，他假装在睡觉。根据句意说明两个动作同时发生，故使用不定式的进行时。故C正确。
考点;考查不定式用法
点评：不定式的一般式to do说明该动作在谓语动词之后发生；进行时to be doing表示两者同时发生；to be done表示被动； |
举一反三
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