--How often do you drop your English teacher a line? ---________. But usually on

题型：不详难度：来源：

--How often do you drop your English teacher a line?
---________. But usually once a week.

A．As usual

B．It depends

C．Generally speaking

D．Have no idea

答案

B

解析

情景交际。A. 想玩常一样  B. 看情况而定 C. 总的来说  D. 不知道。句意：你多久给你的英语老师写一封信？——看情况而定。但是通常每周一次。故选B。