_______ for the coming examinations before, I have no time for the film.
| A．Not preparing | B．To prepare |
| C．Having not prepared | D．Not having prepared |
In class the teacher’s humorous words often make every student ____ laughter.
| A．burst into | B．break into | C．fall into | D．come into |
Look out! Don’t get too close to the house ______ roof is under repair.
| A．where | B．that | C．whose | D．which |
The teacher said that Columbus _______America in 1492.
| A．discovered | B．found | C．had discovered | D．had found |
—When Tom________，please let me know.
—Mary said when Tom________，just tell her about it.
| A．comes；comes | B．came；came |
| C．comes；came | D．comes；coming |
—If you like the model car, you can _____ it. I don’t want it.
—Thank you very much.
| A．remove | B．carry | C．leave | D．keep |