为什么吸烟?是写成why smoke?对还是why smoking?

为什么吸烟?是写成why smoke?对还是why smoking? 英语翻译吸烟有害,到底是用smoke is harmful .还是用smoking is harmful.吸烟有害健康, 是NO smoke还是No smoking 你要吸烟吗?英语是用 Are you smoking 还是Do you smoking?为什么?Are you smok Why can't i smoke here?- At no time is smoking in the meetin how do you see youth smoking ?why do you think they smoke ? why she isn't famous?为什么WHY接的是陈述句,可以写成WHY ISN'T SHE FAMOUS或者 stop smoke 还是 stop smoking? smoke free area 是禁烟区还是吸烟区 "死于吸烟"是用die from还是die of smoking There is no ()without fire,为什么是smoke而不是smoking 英语翻译为什么不是我 到底如何翻译 是why not me?还是why not 还是why is not mine?