Please ________ up your bedroom, Jack．It's too dirty．

1. A.
   set
2. B.
   stay
3. C.
   clean
4. D.
   cheer

Please          up your bedroom，Jack．It's too dirty．

A．set                      B．stay                     C．clean                     D．cheer

 Please          up your bedroom, Jack. It's too dirty．

   A．set                        B．stay                  C．clean                     D．cheer