The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
推荐题目
It’s time that you __________ the whole book.
#88062
A
must go over
B
can go over
C
went over
D
have gone over
My suggestion is that a plan for study ____ at first.
#88022
A
will be made
B
be made
C
was made
D
be should made
—— Must I take a bus ? —— No, you＿＿＿＿. You can walk from here.
#89947
A
must not
B
don’t
C
don’t have to
D
had better not to
The students have made a request that the reading-room ＿＿ open on Sunday afternoon.
#87212
A
stay
B
stays
C
must stay
D
will stay
—You ____ have set aside more time to play with our kids.—I wish I ______, but you know how busy I was.
#89293
A
should, would
B
could, did
C
might, should
D
should, had