This lift __________ only hold 12 people. It’s full now. We ________ wait for so
题型：不详难度：来源：
This lift __________ only hold 12 people. It’s full now. We ________ wait for some more time.| A．can; have to | B．can; may | C．may; may | D．must; can |
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答案
| A |
解析
| can 表示可以能够做某事，have to 表示不得不做某事，故选A |
举一反三
----- I want to know if I _________ smoke here.
----- No, you ___________. Can’t you see the sign “NO SMOKING” there?| A．shall; won’t | B．may; mustn’t | C．can; needn’t | D．must; can’t |
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---Look at the boy running on the playground. Is it David?
---It ______ be him. I saw him go to the teachers’ office just now.| A．mustn’t | B．can’t | C．couldn’t | D．must |
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----Listen! Is Kitty in the next room?
---- No, it ______ be Kitty. She has gone to Beijing.| A．may not | B．can’t | C．mustn’t | D．needn’t |
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That man ________ be Mary’s father, as he is much taller.| A． can | B．must | C． can’t | D． mustn’t |
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He ________be at home because the light in his room is on.| A．must | B．can’t | C．can | D．mustn’t |
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