I was on the highway when this car went past followed by a police car. They ______ at least 150 kilometers an hour.
#87579
A
should have been doing
B
must have been doing
C
could have done
D
would have done
推荐题目
Doctors recommended that a modern hospital _________.
#87682
A
being built
B
be built
C
should build
D
build
We________John's name on the race list yesterday but for his recent injury.
#86408
A
will put
B
will have put
C
would put
D
would have put
 Watch out for these animals! They could be terrified ______ a sudden loud noise.
#86944
A
being there
B
should there be
C
there was
D
there have been
 — Mummy, I have broken my train.        一I told you so. You _______ on it.
#89285
A
mustn't have ridden
B
couldn't ride
C
shouldn't have ridden
D
needn't ride