1. Don’t leave the lights on when you leave the classroom. (off)

=>.................................................................................

2. “What should we do to make Linh feel happier?” they wondered.

=> They wondered what  ................................................................

3. Why don’t we raise money for charity?

=> I suggest................................................................................

4. The mother was happy when she learned that her daughter had enjoyed herself at the party.

=> The mother..........................................................................

If I _________________free time , I will go swimming.

A. have                          B. has                                 C. is having                            D. will have

4. Please turn _______ the light when you leave the room.

 A. on                                 B. off                             C.up                           D. down