--- Where are the students ? How could t
问题:
--- Where are the students ? How could they keep us waiting for so long?
--- They started an hour ago and they____ be here in fifteen minutes, I think.
A.might
B.would
C.should
D.must
--- Where are the students ? How could they keep us waiting for so long?
--- They started an hour ago and they____ be here in fifteen minutes, I think.
A.might
B.would
C.should
D.must