Only plants and animals that need very little water __________live in a desert．（ ）
A．canB．needC．must
Look! This restaurant is always crowded．
The food here ______be very delicious． Let's go and have a taste．（ ）
A．needB．can'tC．must
On my way to the bookstore， I saw Mary hanging out with her friends．
It be her． She has gone to Beijing．（ ）
A．can'tB．mustn'tC．mightD．could
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
From the top of the Autumn Hill people________ enjoy the fullest sight of Ge Garden．（ ）
A．have toB．needC．shouldD．can
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
My bike was broken yesterday， so I____walk home．（ ）
A．mightB．had toC．mustD．could
You ________ be able to control all the things that happen to you， but you can decide not to be reduced by them．（ ）
A．need notB．may notC．must notD．should not
In China， many students feel stressed because of too much homework．
Don′t worry．Our government has realized this problem， I′m sure there be good news for them soon．（ ）
A．canB．mustC．shouldD．need
Mum， why do I have to wash hands so many times a day？
For your health， you______be too careful．（ ）
A．can'tB．shouldn'tC．mustn'tD．needn't
The article says that one's personality depends on his animal sign．
You _______ read it for fun， but don't believe in that．（ ）
A．canB．mustC．shouldn'tD．needn't
By the time she was eight， Linda read English and French．（ ）
A．couldB．mustC．needD．may
If we don't protect nature， some wildlife ______die out in the future．（ ）
A．needB．mayC．can'tD．shouldn't
You _________smoke here! Look at the sign． It says "No smoking"．（ ）
A．needn'tB．mustn'tC．canD．may
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