— How often do you eat out?— but usually once a week.A. Have no ideaB. It dependsC. As

问题补充：

— How often do you eat out?

— , but usually once a week.

A. Have no idea

B. It depends

C. As usual

D. Generally speaking

答案：

A. Have no idea

(答案→)B. It depends

C. As usual

D. Generally speaking

解析：考查交际用语。A不知道；B看情况；C和平时一样。D一般说来。句意：—你经常玩出吃饭吗？—看情况。但是通常是一周一次。故B正确。