单项选择题
A.No. it depends on what kind of exercise. B.No, I go to health club most of the time. C.Yes, usually every other day. D.Yes, rain or shine.
A.Of course, sir. B.Yes, please. C.Right, sir. D.You are welcome.
A.OK. I'd like to go with you. B.No problem. It's my pleasure to direct you. C.Sorry. I'm busy now. Go away. D.Of course. Go down this street and turn left.