John promised his doctor he ________ not smoke, and he has smoked ever since.
#89070
A
might
B
should
C
could
D
would.
推荐题目
---My little daughter is coughing worse than ever. ---She ______ to the hospital yesterday.
#86468
A
had to be taken
B
should have taken
C
must have been taken
D
ought to have been taken
It was dangerous for you to swim in that river. You    eaten by the fish.
#87286
A
might have been
B
must have been
C
could have been
D
should have been
Seeing the enemy, Gary was behaving as though nothing       .
#87059
A
happened
B
had happened
C
would happen
D
was happening