—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone t
题型：不详难度：来源：
—Listen! Is Mary singing in the next room?
—No. It _______ be Mary．She has gone to Shanghai for an important meeting.| A．can’t | B．may not | C．mustn’t | D．needn’t |
|
答案
| A |
解析
试题分析：句意：听，玛丽在隔壁唱歌吗？- 不是，那肯定不是玛丽，她去上海开一个重要的会议。must,can(could),may(maight) 可以表示猜测，must 表示肯定猜测，用于肯定句，肯定……，一定……；can’t,表示否定猜测，肯定不……，另外can(could),may(maight)，表示可能性猜测，可能……。根据后文可知是否定猜测，故选A。 |
举一反三
---Someone is knocking at the door. Is it your brother?
---No, it be him. He’s gone to Hunan.| A．mustn’t | B．won’t | C．can’t | D．needn’t |
|
—Shall I help you prepare for the dinner?
—No, you ________. Everything has been ready.
A. can’t B. mustn’t C. needn’t |
—____ I swim here?
—I’m sorry. Children ____ swim alone here..| A．Must, can’t | B．May, must | | C．Can, mustn’t | D．Can’t, can |
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---Look at the glasses on the desk. Are they David’s?
---They belong to him. I saw him go out with glasses just now.| A．might | B．could | | C．mustn’t | D．can’t |
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— Listen! Jane is singing in the next room.
— It be her. She has gone to New York.| A．can’t | B．must | | C．shouldn’t | D．can |
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