问题

The twins, who _____ their homework, were allowed to play badminton in the yard.
A:will finish
B:finish
C:have finished
D:had finished;
B:finish
C:have finished
D:had finished;
正确答案是:
同类题型
______ for the free tickets, I would not have gone to see films so often.
’t suppose they could have finished theirexperiment, they— , they arestill doing it in the lab
Let’s go to Kunming for vacation. It’s_______ too hot_______ ______ too cold there.
His parents died in the strong earthquake, so he was _____ in the SOS Village.