问题

15. — Who are the teenagers gathering at the school gate? — Well, if you _____ know, they are all my visiting students.

A:need
B:must
C:may
D:Will

正确答案是：

同类题型

The crowd cheered wildly at the sight of Liu Xiang,who was reported _______ the world record in the 110-meter hurdle race

Wearing red makes__ easy_ _us to take action.

It’s high time that he settled down in thecity and ____ a new life.

下列各句中，没有语病的一句是（）

____ they play basketball— Yes, they can.