--Why not take some medicine ?

         ---Yes, I do.I have taken medicine for a whole week, but it doesn't seem to ____.

          A. work      B. use      C. make        D. get

—Why not take some medicine?

      ----Yes, I do,I have taken medicine for a whole week, but it doesn't seem to ____.

A.work     B.use    C.make      D.get

— Why not join us the game? 

—_____.

— Why not have a new machine designed?

   —__________. I’ll have someone do it soon.

A. I don’t think so                B. I’m not sure            

C. It’s up to you               D. Sounds like a good idea

---Why not join us in the game?

   --- ________.

A．Sure，please do                       B．No，you do the same

C．Oh，that’s all right                     D．OK，coming