摘要：C 提示:情态动词加现在完成式.表示对过去的推测.could表可能性.should表过去该做而没做的事.
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Choose the right description of the underlined part in each sentence．
(选出对句中画线部分描述正确的选项。)
I need to be in my office by nine o’clock．
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A．情态动词
B．助动词
C．实义动词
He have finished his work; otherwise, he would not be enjoying himself by the seaside. 【河南省商丘市第一高级中学2010-2011学年第二学期高三第一次考试卷】【情态动词】
A. should B. must C. couldn’t D. can’t
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“I still vividly remember what my village looks like. I __________ think about what color should be used,” Chang Xiufeng, the “van Gogh grandmother” said. 【黑龙江省哈市五县2011年高考模拟试卷英语卷（22）】【情态动词】
A. didn’t need to B. needn’t to C. need to D. don’t need to
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