One thing’s for sure, the fire _____by some cigarette butts.
#88084
A
might cause
B
could have caused
C
must have been caused
D
should be caused
推荐题目
He made a suggestion yesterday that the sports meeting ______ be put off until next Wednesday.
#86696
A
would
B
must
C
should
D
could
--Where are you going for your weekend? --- I haven’t decided yet. I ______ go to the Hemudu Site Museum.
#88140
A
should
B
can
C
must
D
might
