你想喝茶吗?——不,谢谢。
Would you like some tea? — ___No, thank you.
你完成作业了吗?" "不,对不起,我忘了。"
"Did you finish your homework?" "___No, sorry, I forgot."
今天没有作业。
There is ___no homework today.
这个公园里没有狗。
There are ___no dogs in this park.