—Where did you get this book?—I picked it up from a second-hand bookshop if you
题型：不详难度：来源：
—Where did you get this book?
—I picked it up from a second-hand bookshop if you ______ know. |
答案
| A |
解析
试题分析：A. must必须，一定 B. will将要 C. can能够 D. shall将要；句意：你从哪里得到这本书的？如果你一定要知道的话，我是从二手书店买的。故选A
点评：情态动词是高考的必考语言点。情态动词表必要性时用must(必须)与don’t have to / needn’t(不必要)；表推测时用must (肯定、一定)与 can’t/couldn’t (不可能)；表请求和许可时can/may(可以、能够)与can’t/mustn’t(禁止、不许)。shall多用于法律条文中，表示必须。 |
举一反三
Being examined twice a year, whether it is a car or a bus or a truck, it is the rule that every driver____ obey in this city.| A．shall | B．can | C．has to | D．need |
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Michael be a policeman, for he is much too short．| A．needn’t | B．can’t | C．should | D．may |
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The weather turned out to be fine yesterday．I the trouble to carry my umbrella with me．| A．should have taken | B．could have taken | | C．needn’t have taken | D．mustn’t have taken |
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My sister met him at the street yesterday afternoon, so he __________ your lecture.| A．shouldn’t have attended | B．couldn’t have attended | | C．mustn’t have attended | D．needn’t have attended |
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My sister met him at the street yesterday afternoon, so he __________ your lecture.| A．shouldn’t have attended | B．needn’t have attended | | C．mustn’t have attended | D．couldn’t have attended |
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