问题

The student must be working very hard, ________?
A:doesn’t he
B:mustn’t he
C:needn’t he
D:isn’t he
B:mustn’t he
C:needn’t he
D:isn’t he
正确答案是:
同类题型
Excuse me, sir. But your bike gets_______ the way of my car.— Sorry. I didn’t see your car.
It rained for two weeks on end, completely _____ our holiday. [ ]
What color is your jacket—–__________.
She spent a happy afternoon her coins and stamps she had collected those years.[ ]
He is so busy. He cannot afford enough time withhis son ____he wants to.