【题目】---How often do you drop your e-pal a line?
---_______, but usually once a week.
A. It depends B. As usual
C. Generally speaking D. Have no idea
在线课程【答案】A
【解析】
试题分析：情景交际。A. It depends视情况而定；B. As usual象往常一样；C. Generally speaking一般来说；D. Have no idea不知道；句意：你多久给你的网友写一封信？——看情况而定。但是通常每周一次，故选 A项。
考点 : 情景交际