问题
Fifty dollars for such a T-shirt! You _______ be joking!—I’m serious．It’s made of silk.
A:must
B:need
C:may
D:Can
B:need
C:may
D:Can
正确答案是：
同类题型
Time is money.—But I think time is _________ money.
The children felt _________ because of the _______ result of the football match.
It is true that knowledge _______ rather than being taught.
It ________ about eight minutes for sunlight (阳光) to travel from the sun to the earth.
What do you think of this book?— Good indeed. It ________ many problems we have in our study.