—Whose volleyball is it? —It ________ Carla’s. She doesn’t like volleyball at all.
#75223
A
mustn’t be
B
could be
C
might be
D
can’t be
推荐题目
 I felt surprised that anyone of his intelligence   ________  such an easy test.
#62347
A
might have failed
B
could have failed
C
should have failed
D
must have failed
—Hurry up , or you ________ catch the train. 
#75443
A
can’t
B
needn’t
C
mustn’t
D
shouldn’t
This CD _______ belong to Bill. It has his name on it.
#74759
A
mustn’t
B
might
C
can’t
D
must