Please remind your grandpa to take medicine on time, for a man of his age ____be very forgetful．
#63647
A
need
B
must
C
shall
D
can
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- Look, Sue is over there.- That ____ be her. She is in Canada now.
#78119
A
mustn’t
B
can’t
C
needn’t
D
won’t
The work is too hard for him. He__________ finish it on time.
#77570
A
can't
B
mustn't
C
shouldn't
D
needn't
It_____ have been Tom that parked the car here, as he is the only one with a car.
#62884
A
may
B
must
C
can
D
should
Without gravity, we _____ walk on the ground as freely as we do now.
#63085
A
couldn’t
B
mustn’t
C
shan’t
D
needn’t