How often do you go swimming with your brother?A. I have no ideaB. It dependsC. As usualD.

问题补充：

How often do you go swimming with your brother?

A. I have no idea

B. It depends

C. As usual

D. Of course

答案：

A. I have no idea

(答案→)B. It depends

C. As usual

D. Of course

解析：考查交际用语。A不知道；B看情况；C和平时一样；D当然；句意：—你多久和你的兄弟去游泳一次？—看情况了。根据句意说明A正确。