—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
According to the rules and regulations, all payments ________ be made in cash in the shopping center.
#62400
A
shall
B
can
C
must
D
should
—Have you invited Alice to our party?—Yes. But she _____ come; she is busy nowadays.
#63198
A
must not
B
might not
C
should not
D
need not
Don’t put off today’s work for tomorrow. I mean, today’s work______ today.
#76911
A
may do
B
must do
C
may be done
D
must be done
—Li Lin took the 8:00 bus to Fuzhou this morning.—Really? He _________ a fast train. It’s much more comfortable to travel by fast train.
#63197
A
could have taken
B
should take
C
must have taken
D
can take