–Look! Someone is cutting a tree on the moon.–It _______ be true, Granny. Our te
题型：不详难度：来源：
–Look! Someone is cutting a tree on the moon.
–It _______ be true, Granny. Our teacher says there is no air there.| A．can"t | B．mustn"t | C．may | D．should |
|
答案
| A |
解析
试题分析：句意：看，有人在月亮上砍树。那不可能是真的，奶奶。我们老师说月亮上没有空气。Can’t 表示推测时，用于否定句，“不可能”；mustn’t 禁止，不要；may 可能；should 应该。根据句意，选A。 |
举一反三
You ______ write the poem down. Our teacher will give us a copy.| A．can’t | B．shouldn’t | C．needn’t | D．mustn’t |
|
–Who is the tallest boy?
–It ______ be John. Because John is of medium height..| A．must | B．needn’t | C．might | D．can’t |
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________ you row a boat at the age of 10? No, but now I ________.| A．Can；can | B．Can；could | C．Could ；can | D．Could；could |
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—Must I take part in the activity?
—No, you _______. You’re too young. You should look after yourself.
A. mustn’t B. can’t C. don’t have to |
– How nice the T-shirt looks! Maybe it belongs to Jerry’s.
– It _____ be Jerry’s. It’s much too small for him.
A. must B. can’t C. can |
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