Cars, buses and bikes ________ stop when the traffic lights turn red.
#62754
A
can
B
may
C
must
D
need
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________ people used the computer thirty years ago, but now it’s very popular.
#77155
A
A few
B
Few
C
A little
D
Little
–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
---Listen! Is Kitty in the next room? ---No, it ______ be Kitty. She has gone to Beijing.
#76364
A
may not
B
can’t
C
mustn’t
D
needn’t
— Will you stay for lunch?— Sorry, I ______. My brother is coming to see me.
#77480
A
needn’t
B
can’t
C
shouldn’t
D
mustn’ t