Teachers _______ be sensitive to the development level of each student so as to help them better. 
#62795
A
need to
B
may
C
are able to
D
can
推荐题目
—Must I come back before supper, mum?—No, you        .
#76497
A
can’t
B
mustn’t
C
don’t
D
needn’t
–Can you speak French?--Sorry, I______.
#76183
A
needn’t
B
mustn’t
C
can’t
D
may not
You _______ cross the road when the traffic lights are red.
#74937
A
can
B
must
C
mustn’t
D
needn’t
John, you          play with the knife, or you          hurt yourself.
#76292
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
You ________ play with the knife. You ________hurt yourself.
#75972
A
mustn’t; may
B
mustn’t; must
C
shouldn’t; must
D
can’t; should