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--- Isn’t it Ann’s husband over there?---- No, it ______ be him---I’m sure he doesn’t wear glasses.
#62835
A
can’t
B
must not
C
won’t
D
may not
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--- Are you in a hurry? --- No, in fact, I’ve got plenty of time. I _______ wait.
#63531
A
can
B
may
C
must
D
Should
Trees ____ fight air pollution．They are natural air conditioners．
#78302
A
should
B
must
C
need
D
can
—I didn’t tell him the news.—Oh, you ought _______.
#63528
A
to 　　
B
not to
C
not to have 　
D
to have
－ Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.
#75716
A
must
B
can’t
C
can
D
mustn’t
He has      for three or four days.
#78091
A
got a headache
B
fallen ill
C
caught a cold
D
had a cough