| 1 | I have to finish this report ( ) five o'clock. | |||
| by | over | till | upon | |
| 2 | If I ( ) hard, I couldn't have passed the examination. | |||
| don't study | didn't study | hadn't studied | won't study | |
| 3 | What do you say ( ) soccer after school? | |||
| to play | play | playing | to playing | |