单项选择题
A.It's no big deal B.It's not a big thing to do C.Ii's worth mentioning D.It's not worth talking about
A.OK. Please walk slowly. B.Why do you want to go now Don't you want to stay C.Won't you stay for another cup of coffee D.Yeah, it's really late. Why not immediately
A.Take a break B.Just give up C.Just be yourself D.Mind you