—Have a cigarette, will you ?—No, thanks. I ________

试题详情及答案解析

—Have a cigarette, will you ?
—No, thanks. I _________ heavily, but I’ve given it up recently.

A．am used to smoking	B．used to smoking
C．used to smoke	D．am used to smoke

答案：C

试题分析：固定搭配used to do sth过去常常做某事；be used to do sth被用来做某事；be used to sth/doing sth习惯做某事；句意：—来支烟，好吗？—不谢谢，我过去抽烟很厉害，但是最近我戒烟了。根据句意可知C正确。
考点：考察固定搭配