17.　　 We won’t go to the park if it _____________ ( rain ) tomorrow.

16.　　 The teacher told us that the earth _____________ ( go ) around the sun.

15.　　 My uncle often goes _______________ (shop ) on weekends.

14.　　 They both take turns ______________ ( look after ) the old man.

13.　　 It is time for us _______________ ( play ) baseball.

12.　　 I am interested in ________________ ( play ) soccer.

11.　　 Thank you for _____________ ( help ) me with English.

10.　　 Please remember ____________ (turn) off the light before you go to bed.

9.　　　　 Why not _____________ ( have ) a drink? It is too hot.

8.　　　　 I asked him _______________ ( not make ) much noise there.