but i don't think you can smoke here.I didn't know this is a...为什_英语解答

but i don't think you can smoke here.I didn't know this is a...
为什么是didn't

人气：415 ℃　时间：2019-10-03 23:02:29

解答

用did not因为回答者所要表述的是他之前不知道不能抽烟这一个事实.表述的是过去的状态所以使用did not,望采纳