— __________ when has the country been open to international trade?
— 1978, I suppose.
| A．Since | B．In |
| C．From | D．After |
Each of the students in our class great interest in English and we each a copy of A New English-Chinese Dictionary.
| A．shows； have | B．show； has | C．are； has | D．is； have |
It’s high time that we ___our work and _____ supper now.
| A．stop; have | B．stopped; had |
| C．stop; should have | D．stopped; have |
I wouldn’t marry Pat even if she ______ the last woman on earth.
| A．is | B．was | C．had been | D．were |
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 |