单项选择题
-Medam,do all the buses go downtown? -()
A.Wow,you got the idea B.No,never mind C.pretty well,I guess D.Sorry,I’m new here
单项选择题 -It’s rather cold in here. Do you mind if I close the window? -().
单项选择题 -Hi, is Mary there, please? -()
单项选择题 -That’s a beautiful dress you have on! -()