问题补充:
—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. has used to smoke
答案:
A. am used to smoking
B. used to smoking
(答案→)C. used to smoke
D. has used to smoke
解析:可联系答.案.网客服索取。