After the new technique was introduced the factory produced cars in 1994 as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice as |
Many women ______ a good salary, but they chose to stay at home for the family.
| A．must make | B．must have made |
| C．should make | D．could have made |
It’s high time that Dalai Lama ______ playing politics.
| A．quit | B．to be quit | C．quited | D．quitting |
It is everybody’s desire that every effort___________ to reduce the pollution in our city.
| A．was made | B．be made | C．will be made | D．would be made |
It is likely that these animals could be frightened， a sudden loud noise．
| A．being there | B．should there be | C．there was | D．there having been |
．—Steve come back because the window is open．
—Yes．but he _______left it open last night．
| A．must have；might have | B．might have；can’t have |
| C．can have；should have | D．might；must have |