Three college students were accused ______ causing the accident on purpose and sentenced to two years in prison.
| A．of | B．with | C．for | D．as |
__________twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined | C．Being examined | D．Having been examined |
--- An ant has two stomachs --- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it.
| A．don’t know | B．have known | C．haven’t known | D．didn’t know |
AIDS is said__________the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
______ only 20 minutes to go before the train left, I felt uneasy in the taxi to the railway station.
| A．For | B．With | C．As | D．Because |
If you can make what the teachers teach ________, you’ll make rapid progress.
| A．yours | B．yourself | C．you | D．your |