“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”A．might fa
题型：不详难度：来源：
“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”| A．might fall out | B．could fall out | | C．should have fallen out | D．must have fallen out |
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答案
| D |
解析
| 既然“通行证现在不在口袋里”，那么它“掉出去”应发生在过去，故排除A和B。比较选项C和D所表示的意思，选D更恰当。 |
举一反三
“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”| A．must; could | B．may; might | | C．need; must | D．could; need |
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“Did Jim come?” “I don’t know. He _______ while I was out.”| A．might have come | B．might come | | C．mush have come | D．should have come |
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—How about paying a visit to Mr. Richardson, our former history teacher?
—Good idea. I will e-mail him today so he ___ know ___ to expect us.| A．may,when | B．would, why | C．will, how | D．shall, why |
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When he was there, he ____ go to that coffee shop at he street corner after work every day.| A．would | B．should | C．had better | D．might |
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—___John come here tonight?
—I’m not sure, but he ______ stay at home.| A．May, might | B．Can, must | C．Must, might | D．Can, migh |
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