--Can I play computer now? --No, you ______. You _____do your homework first.
#76207
A
can; can
B
can’t; must
C
can’t; can
D
must; can
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–I can’t stop smoking, doctor. --For your health, I’m afraid you________.
#75315
A
may
B
need
C
must
D
have to
—May I use your computer, Mr WU? —______．
#74621
A
Yes, you may not
B
No, you may
C
Yes I may
D
No, you may not
My uncle _________ drive a car two years ago. Now he drives very well.
#78292
A
couldn’t
B
can’t
C
mustn’t
D
shouldn’t
To make our city more beautiful, rubbish _________ into the river.
#74375
A
needn’t be thrown
B
can’t thrown
C
mustn’t be thrown
D
may not thrown