单项选择题
-Thanks for your help. -().
A.My pleasure B.Never mind C.Quite right D.Don’t thank me
单项选择题 -Could I speak to Don Watkins, please? -()
单项选择题 -Medam,do all the buses go downtown? -()
单项选择题 -It’s rather cold in here. Do you mind if I close the window? -().