How he _______ get out of the prison ______ a mystery.
#87966
A
could; is
B
can; is
C
was able to; remains
D
able to; remain
推荐题目
If people ______virtual reality holidays, we ______ on an around-the-world tour．
#87555
A
invent; go
B
invented; had gone
C
invent; have gone
D
invented; would go
— It _______ be Jack who is in the office.— No, it _______ be him. I saw him off at the airport half an hour ago.
#89500
A
can’t ; can’t
B
must; can’t
C
must; mustn’t
D
may; mustn’t
The general ordered that the thief＿＿＿＿.
#89916
A
be punished
B
would punish
C
would be punished
D
should punish
(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
#86528
A
will
B
can
C
must
D
should
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
#87546
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile