问题

We should do what we can ________ the hunters ________ the animals.
A:was, since
B:is, after
C:was, after
D:has been, since;
B:is, after
C:was, after
D:has been, since;
正确答案是:
同类题型
The art museum _____ is very beautiful will open nextweek.
“Please close the window,” he said to me. →He ______ me _____ the window.
Do you know the man is sitting behind Nancy—Oh, he’s my Chinese teacher, Mr Zhou.
Will you go to the cinema with me tomorrow—Sorry, I ________ skating with Tom.
How do you like this movie– Fantastic, it’s the __________ one I’ve ever seen.