According to the traffic rules, you _________ wear the safe belt while you are driving.
| A．can | B．need | C．may | D．shall |
As soon as he comes back, I’ll tell him when _____ and see him.
| A．you will come | B．will you come | C．you come | D．do you come |
The road in front of our school is _____ and is closed to all the cars.
| A．repairing | B．being repaired | C．repaired | D． repair |
—Could I use your computer for a few moments, please?
—______. I’m not using it myself.
| A．Come on | B．It depends | C．Go ahead | D．That’s right |
______many times, he finally understood it.
| A．To tell | B．Telling | C．Having told | D．Having been told |
Many children, __parents are away working in big cities, are taken good care of in the village.
| A．that | B．whose | C．which | D．whom |