The lady in the sitting room be over sixty. She looks so young.A．can’t
题型：不详难度：来源：
The lady in the sitting room be over sixty. She looks so young.| A．can’t | B．must | C．may | D．needn’t |
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答案
| A |
解析
| 肯定的推测用must或may,把握较大时用must，把握不大时用may; 否定的推测用can’t。据下文She looks so young .可知那位女士不超过60岁，表否定的推测。故选A。 |
举一反三
----Where is my watch? I _______ find it.
----Don’t worry. It must be somewhere in your room. | A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
|
A computer ______ think for itself. It’s always told to do things.
A. mustn’t B. can’t C. shouldn’t |
—Mum, must I wash the dishes right now?
—No, you ____.| A．shouldn’t | B．wouldn’t | C．mustn’t | D．needn’t |
|
Where are you going this month?
We_________ go to Xiamen, but we’re not sure.| A．needn’t | B．must | C．might | D．mustn’t |
|
—Are you in a hurry?
—No, I’ve got plenty of time. I _______ wait.| A．can | B．can’t | C．must | D．mustn’t |
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