The victim was last seen ______ his office at 7 p.m.A．leaveB．leavesC．to leaveD．l
题型：不详难度：来源：
The victim was last seen ______ his office at 7 p.m.| A．leave | B．leaves | C．to leave | D．leaving |
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答案
| D |
解析
试题分析：see sb doing sth表示看到某人正在做某事，根据题干提供的信息可知，the victim最后一次被看到离开是在早晨七点钟。表明在看到是，他正在离开，表示两个动作同时进行，故选D。
点评：see是个活性动词，其后可跟动词不定式也可跟动名词做其宾语补足语从而构成see sb do sth或see sb doing sth。前者表示动作经常发生或已经完成，后者表示动作正在进行。类似的单词还有hear，watch等。这些是学生必考的知识点。 |
举一反三
We should spend as much time as we can ______ English.| A．read | B．to read | C．reading | D．reads |
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Why not ________ the word in a dictionary ?| A．consider looking up | B．consider looking at | | C．consider looking for | D．to consider to look up |
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We prefer ________at the party to________. | A．to sing, dance | B．singing ,dancing | | C．to sing , dancing | D．sing, dance |
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Your hair is too long. Would you please _______ your hair ______?| A．get; cut | B．to get; be cut | | C．get; be cut | D．to get; cut |
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I had a little trouble in English grammar.| A．learn | B．learned | C．learning | D．to learn |
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