--- Who ______ it be that is singing in the next room?--- It _______ be Lucy, but I am not sure.
#86933
A
can ; may
B
may ; can
C
can; must
D
must; may
推荐题目
Jane’s pale face suggested that she ill and her mother suggested that she be sent to hospitalwithout delay.
#87813
A
be
B
should be
C
was
D
is
-- May I smoke here?-- If you____, that's the smoking section over there.
#87284
A
should
B
could
C
may
D
must
Teachers suggested parents their children under 12 to ride bicycles to school for safety.
#87502
A
shouldn’t allow
B
don’t allow
C
mustn’t allow
D
couldn’t allow
What a pity! Considering his ability and experience, he ___________ it better.
#87501
A
need have done
B
must have done
C
can have done
D
might have done