Onethird of the area__________covered with green trees.About seventy percent of the trees
__________been planted.
| A．are; have | B．is; has | C．is; have | D．are; has |
——Watch!
——I ____ but ____ I ____ anything unusual.
| A．watched; have watched | B．have watched; am not seeing |
| C．was watching; wasn’t seeing | D．am watching; don’t see |
——“Dear Frank, when will our wedding be?”
——“Ah, when? God knows.” He said, and ____ away from her, walked rapidly away.
| A．turning | B．turned | C．turn | D．to turn |
You’d better not wear such ties, because they ____ three years ago.
| A．went on | B．went off | C．went over | D．went out |
To read Tolstoy and ____ to the nineteenth century Russian literature are two excellent reasons for taking Professor Morrel’s course.
| A．to introduce | B．introduce | C．being introduced | D．to be introduced |
——The book isn’t easy for Jack to understand, is it?
——____. His foreign language is far better than expected.
| A．No, it isn’t | B．I’m afraid not | C．I don’t think so | D．Yes, it is |