【题目】—Do you often e-mail your friends?
—No. I use WeChat (微信) more often, but I _________ e-mail my friends before.
A. have to B. would like to
C. used to D. gel to
【答案】C
【解析】
试题分析:句意:-你经常给你的朋友发电子邮件吗?——我使用微信(微信)更经常,但我以前经常给我的朋友发邮件。A. have to 必须;B. would like to想;C. used to过去经常 D. gel to;变得。根据句意,故选C。