－ 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
Teachers be sensitive to the development level of each student so as to help them better.
#62667
A
can
B
may
C
are able to
D
need to
Tom________tell the truth to his boss because he didn't want to make trouble.
#62204
A
daren't to
B
dare to
C
dared not
D
dare
If prices rise too high, the government has to do something _________ it.
#77944
A
stop
B
stopped
C
stopping
D
to stop
─ Is the woman in white our manager? ─ It ________be her. She has just left for Shanghai.
#74491
A
must
B
may
C
can’t
D
couldn’t