You ________ stop when the traffic light turns red. A．canB．had betterC．needD．mus
题型：不详难度：来源：
You ________ stop when the traffic light turns red. | A．can | B．had better | C．need | D．must |
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答案
| D |
解析
| must是“必须，不得不”，根据下文出现的when the traffic light turns red.可知是“你必须……”。 |
举一反三
---Whose is the pencil box?
---It ____________ be Tom’s. Look at his name on the cover! |
—Must I wait for you here?
—No, you ______. | A．don"t | B．can"t | C．mustn’t | D．needn’t |
|
—The pollution problem here seems to get more and more serious.
--Yes. Something_____about it.| A．must do | B．must be done | | C．is doing | D．had been done |
|
--Excuse me，Mr. Li,_________ I close windows? It’s cold now.
--Yes，you__________| A．can; can"t | B．can; may | C．may; can’t | D．may; can |
|
- You’d better because you have to drive back home.
- OK.| A．not drinking | B．not to drink | C．not drink | D．don’t drink |
|
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