__________ by a greater demand of vegetables, farmers have built more green houses.
| A．Driven | B．Being driven |
| C．To drive | D．Having driven |
My sister met him at the Grand Theater yesterday afternoon, so he _______ your lecture.
| A．couldn’t have attended | B．needn’t have attended |
| C．mustn’t have attended | D．shouldn’t have attended |
The reason_______ he didn’t come was _______ he was injured.
| A．that; because | B．why; that | C．why; because | D．that; that |
Michael put up a picture of Yao Ming beside the bed to keep himself _______ of his own
dreams.
| A．reminding | B．to remind | C．reminded | D．remind |
— You look upset. What’s the matter ?
— I had my proposal ______ again.
| A．turned over | B．turned on | C．turned off | D．turned down |
Dina, ______ for months to find a job as a waitress, finally took a position at a local
advertising agency.
| A．struggling | B．struggled | C．having struggled | D．to struggle |