—What"s the matter with the man hanging his head there?—Well，if you ________ kno
题型：不详难度：来源：
—What"s the matter with the man hanging his head there?
—Well，if you ________ know, he was caught stealing my bike. |
答案
| A |
解析
试题分析：考查情态动词用法。Must必须，一定；非得；may也许；can能够，可能；shall表示征求对方的意见等。句意：—头耷拉着的那个人怎么了？—如果你费要知道，他在偷我的自行车的时候被当成抓住。这里的must指非得；偏偏；故A正确。
点评：在平时的学习中既要注意情态动词的基本含义，也要注意情态动词的特殊意义，如must偏偏，非得；should竟然；mustn’t禁止，千万不能；等等。情态动词Shall用于所有人称，表示命令，警告，允诺；以及法律规定中要做的事情。 |
举一反三
But for the help of my English teacher，I________the first prize in the English Writing Competition.| A．would not win | B．would not have won | | C．would win | D．would have won |
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— Mary’s sister looks very beautiful now.
— But she was very ugly before she tidied up her appearance（整容）. You _________ believe it!| A．shouldn’t | B．mustn’t | C．wouldn’t | D．might not |
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Tom, ________________ you from taking a hand in that affair, you ______________ in prison.| A．if I didn’t stop; would have stayed | | B．had I stopped; would be staying | | C．shouldn’t I have stopped; would stay | | D．if I hadn’t stopped; would have stayed |
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Seeing the enemy, Gary was behaving as though nothing .| A．happened | B．had happened | C．would happen | D．was happening |
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