—Will you please answer the door? It ________ be your sister.—Sorry, I ________. I’m feeding the rabbit.
#74502
A
must; mustn’t
B
may; can’t
C
will; can’t
D
must; needn’t
推荐题目
—May I use your computer, Mr WU? —______．
#74621
A
Yes, you may not
B
No, you may
C
Yes I may
D
No, you may not
—Look，your father is playing the piano over there.—He________ be my father. He has gone to Beijing.
#76700
A
mustn’t
B
can’t
C
shouldn’t
D
may not
The weather in the south is generally warm, but it________ be very cold sometimes.
#63099
A
may
B
shall
C
will
D
can