Dr. Peter Spence, _______ headmaster of the school, told us, “_______fifth of students here go on to study at Oxford and Cambridge.”
A.不填; A | B.不填; The | C.the; The | D.a; A |
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
A.has been used | B.have been used | C.is used | D.are used |
My father and my mother have been married for 30 years, and never once ______ with each other.
A.they have quarrelled | B.did they quarrel |
C.had they quarrelled | D.have they quarrelled |
Although the old man was ______ death, he still fought with the disease bravely.
A.at the end of | B.on the top of |
C.at the edge of | D.on condition that |
Many countries are increasing their use of natural gas, wind and other forms of ______.
A.energy | B.power | C.force | D.strength |
It may not be a great suggestion. But before ______ is put forward, we will make do with it..
A.a best one | B.the best one | C.a better one | D.a good one |