－ Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.
#75716
A
must
B
can’t
C
can
D
mustn’t
推荐题目
Sometimes smiles around the world ______ be false, hiding other feelings like anger, fear or worry.
#62758
A
must
B
would
C
should
D
can
—Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.
#77500
A
should
B
may
C
must
D
will
Food safety is important. Rules____ to stop people from food pollution.
#75769
A
must make
B
must be made
C
can’t make
D
can’t be made
–Hey! Any idea about learning abroad? --You _____google the College Board to learn the names of college you ____ be interested in
#63224
A
may; need
B
can; might
C
will; should
D
shall; must
It’s said that there’re plenty of hotels in that town. There ______ be any difficulty for you to find somewhere to stay today.
#62543
A
wouldn’t
B
mustn’t
C
shouldn’t
D
needn’t