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
The children are ____when they hear the ____news.
_________ others whenever you can _______you will feel happy.
There isn’t meat in the fridge.
Space exploration has been made ______ with the development of modern science and technology.
Look! There is a horse racing program on TV now.— Hmm …. It __exciting.