Teachers        be sensitive to the development level of each student so as to help them better.
#62667
A
can
B
may
C
are able to
D
need to
推荐题目
If you want to keep _______, You _______ do more exercise and eat less.
#77779
A
health; shall
B
healthy; shall
C
health; should
D
healthy; should
Thomas, please don’t shout loudly. The others _________ hear very well.  
#76352
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
He ________be at home because the light in his room is on.
#76679
A
must
B
can’t
C
can
D
mustn’t
The careless man received a ticket for speeding . He ____ have driven so fast .
#62810
A
shouldn’t
B
wouldn’t
C
can’t
D
mustn’t