问题

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

正确答案是：

同类题型

Mike pretended _____ his homework when mother came.[ ]

’t know ___________ makes her different fromothers— Confidence, I think

下列各句中，划线的词语使用恰当的一句是（）

Oh. I’ve just realized I haven’t got any money. –Well, don’t worry. I _____ you some.

Is there a man under the tree–_______.