---Where is my reference book? It was here a moment ago.---Someone ___ it by mistake.
#89050
A
could have taken
B
must take
C
might take
D
must have taken
推荐题目
Thank you for all your hard work last week.I don’t think we ______ it without you.
#90551
A
can manage
B
could have managed
C
could managed
D
can have managed
It was lucky that little Jack was not at home when the fire broke out；otherwise，he his life．
#87644
A
had lost
B
would lose
C
would have lost
D
might lose
The mother insisted her child ________________________.
#87244
A
to be checked
B
on having a check
C
be checked
D
should check
Without electricity human life _____ quite different today.
#87207
A
is
B
will be
C
would have been
D
would be
If you had arrived half an hour earlier, you _____ the well-known writer in the flesh.
#86881
A
had met
B
would have met
C
would meet
D
could meet