问题

No one was prepared for the teacher’s questions.—We________read the lesson yesterday evening.[ ]
A: must have
B: could have
C: should have
D: might have
B: could have
C: should have
D: might have
正确答案是:
同类题型
We had wanted to get home before dark, but it didn’t quite ____________ as planned.
Would you like to go camping with us this weekend — _______
The doctor did what he could _______ the boy, but in vain.
________ you have finished your report, you can have it __________[ ]
If you swim in a river or lake, make clear is below the water surface.