﹣I saw your mother in the library just now．
﹣It ______ be her．She went to Beijing yesterday．（ ）
| A． |
can't |
B． |
mustn't |
C． |
needn't |
Allen， shall we go to the bookstore this afternoon？
I'm sorry， David， but I ______________meet my cousin at the train station．（ ）
A．have toB．canC．mayD．could
The magazine____Lucy's．We can see her name on the cover．（ ）
A．mustn't beB．can't beC．must beD．needn't be
Look! This restaurant is always crowded．
The food here ______be very delicious． Let's go and have a taste．（ ）
A．needB．can'tC．must
﹣Look! It ________ be David in the classroom．
﹣It ________ be him． Because I saw him in the library a moment ago．（ ）
| A． |
may； mustn't |
B． |
must； can't |
| C． |
can； can't |
D． |
can； mustn't |
I am proud that our Chinese survey team _____successfully remeasure Qomolangma （再测珠穆朗玛峰）， the world's highest peak．（ ）
A．mustB．canC．mayD．should
You haven't eaten all day． You___be very hungry．（ ）
A．couldn't beB．can't
C．mightD．must
Mother had a hard time getting Helen up in the morning． She called and called， but Helen wake up．（ ）
A．wouldn'tB．mustn'tC．needn'tD．shouldn't
﹣David，turn off your computer now!You play on it too long．
﹣I see，mum．（ ）
| A． |
couldn't |
B． |
mustn't |
C． |
wouldn't |
﹣Whose cap is this？ Is it Cindy's ？
﹣It _____ be hers． Don't you remember she even didn't come to the party？（ ）
A．can'tB．mightC．may notD．must
- Must I study medicine and be a doctor like you，Dad？
- No，you ______________，son.You're free to make your own decision.
| A． |
can't |
B． |
mustn't |
C． |
shouldn't |
D． |
needn't |
﹣﹣﹣Lily is intelligent and hard﹣working， she do well in the singing competition．
﹣﹣﹣Sure．She was born to be a singer．（ ）
A．shouldB．mightC．can't
﹣﹣What will the weather be like tomorrow？
﹣﹣It_____ be rainy，cloudy or sunny．I'm not sure．（ ）
| A． |
must |
B． |
should |
C． |
can't |
D． |
might |
﹣Where is George？
﹣He be here just now． His coffee is still warm．（ ）
A．needB．can'tC．mustD．shouldn't
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