— Look, it _____ be Jack who is at the gate of the library.It _____ be him. He h
题型：不详难度：来源：
— Look, it _____ be Jack who is at the gate of the library.
It _____ be him. He has gone abroad.
may; must B. must; mayn’t C. must; can’t D. can; mayn’t |
答案
| C |
解析
| 考查情态动词.may可以,must必须;一定,没有mayn’t这种说法,can’t不能;不可能.句意:看,在图书馆门口的一定是杰克._不可能是他.他已经去国外了.选C.最符合语境. |
举一反三
Sir, you ________ take this seat. It’s just for the old.| A．oughtn’t to | B．can’t | C．won’t | D．needn’t |
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.--Your parents were anxious about you. You _____ home without saying a word.
-- It’s my fault.| A．mustn’t be | B．shouldn’t have left | | C．needn’t have left | D．couldn’t have left |
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When we were young, every evening my brother and I ______ stay at home waiting for our mother.| A．would | B．might | C．should | D．could |
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Curious about the world around him, my son__ __ask me endless questions when he was young．| A．could | B．might | C．should | D．would |
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--- The fog is so thick that the express way ____ have been closed.
--- You are right. I ____ have thought of that. Now we have to take another road.| A．can; should | B．may; can | C．should; must | D．must; should |
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