— My dog is really fat.   — You______ have given it so much food. 
#63645
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
推荐题目
The man ______ be my father. My father is much taller.
#76764
A
can
B
must
C
can't
D
mustn't
 —Is Jack on duty today? —It_____ be him. It’s his turn tomorrow.
#62168
A
mustn’t
B
won’t
C
can’t
D
needn’t
It was so dark outside that the little child ________ go out by himself. 
#62941
A
dare not to
B
dared
C
dares
D
didn’t dare to
You ______ write the poem down. Our teacher will give us a copy.
#75235
A
can’t
B
shouldn’t
C
needn’t
D
mustn’t