单项选择题
A.What did I say B.Didn't I tell you C.Did I say it right D.Is what I said right
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.