have never smoked
英
美
- have aux.已经vt.有；吃；得到；从事；允许；雇用；享有n.[常用复数]富人，有产者，有钱人；富国
- never adv.永不；绝不；从不；未曾
- smoked adj.烟熏的动词smoke的过去式和过去分词.
- It is two months since Bill has smoked a cigar.
比尔已经有两个月不吸烟了。
- Tough laws have failed to deter teenagers from smoking.
严格的法律无法劝阻青少年不吸烟。
