问题

Though we hadn’t seen each other for more than five years, I_____him the moment he came out of the station.[ ]

A: realized
B: recognized
C: learned
D: knew

正确答案是：

同类题型

How many mistakes did you make in the exam —______

I have ___________ homework to do this weekend.

Excuse me，am I going ________ the right direction?

I suggested there ____ be a kind of language all could understand and use ____ .

下列各句中划线的成语使用不恰当的一句是（）