-- Whose French book is it?-- It __________ be Lucy’s. Look! Her name is on the
题型：不详难度：来源：
-- Whose French book is it?
-- It __________ be Lucy’s. Look! Her name is on the book!| A．must | B．mustn’t | C．might | D．can’t |
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答案
| A |
解析
试题分析：句意：--它是谁的法语书？--它一定是露西的书。看！她的名字在这本书上呢！分析：表示肯定的猜测用情态动词must; 表示否定的猜测用can’t. 分析：露西的名字在书上写着，明确这本书就是她的，肯定的猜测。故选 A |
举一反三
–Is that Kate’s car?
--It ______be hers. She has just gone for a meeting.| A．can’t | B．should | | C．mustn’t | D．may |
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—Must I go to medical school and be a doctor like you, dad?
—No, you _______,son. You’re free to make your own decision.| A．can’t | B．mustn’t | | C．shouldn’t | D．needn’t |
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"Whose notebook is this?" "It ____ Jim"s. It has his name on it."
A. can"t be B. can be C. must be |
—________ we finish the work before class, Jack?
—No, we_________ . We can do it after class.| A．Must, don’t have to | B．Must, must | | C．Can, mustn’t | D．Can, needn’t |
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—Paul has lost her iphone 5.
—No, it ___be in her bag. I _______ hear it.| A．can; can | B．must; may | | C．should; may | D．must; can |
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