—I want to know if I__________ smoke here.—No, you _________.Could you see the s
题型：不详难度：来源：
—I want to know if I__________ smoke here.
—No, you _________.Could you see the sign “NO SMOKING” there?| A．can; needn’t | B．must; can’t | C．shall; won’t | D．may; mustn’t |
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答案
| D |
解析
| 考查情态动词。may可以；mustn’t禁止，不允许。句意：——我想知道这儿是否可以吸烟。——不，你不允许。难道你没看到那儿的“禁止吸烟”的标志吗？ |
举一反三
Many of the artists who _______ didn’t come.| A．ought to appear | B．should appear | | C．had to appear | D．ought to have appeared |
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23. ---________the new housemaid cook some supper for you, Tom?
---No, tell her I’ll eat outside tonight.| A．Shall | B．Would | C．Will | D．Could |
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22. He demanded that such things_____ from happening again.| A．prevented | B．prevent | C．be prevented | D．should prevent |
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It be really cold in November in Hefei though we usually have warm and sunny days.| A．should | B．will | C．must | D．can |
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--- I to your birthday party last Sunday.
--- Unfortunately, you were out on business.| A．had come | B．came | C．would come | D．would have come |
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