---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
The door . Better have it repaired .
#88993
A
isn’t shut
B
hasn’t been shut
C
won’t be shut
D
won’t shut
If you ______ earlier, you ________ him.
#88330
A
came; would meet
B
had come; would have met
C
had come; would meet
D
would come; met
Though it is the first time they have met, they talked as if they _____ friends for many years.
#86663
A
are
B
were
C
had been
D
have been
Seeing the enemy, Gary was behaving as though nothing .
#87059
A
happened
B
had happened
C
would happen
D
was happening