When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.
| A．why it did | B．that it did | C．what it was | D．why it was |
It is very ______ that she will ring me tonight.
| A．likely | B．possibly | C．probably | D．perhaps |
I regret ______ you that my daughter has already regretted ______ out with you. So leave her alone and don’t bother her any more.
| A．telling; dating（约会） | B．to tell; to date |
| C．to tell; dating | D．telling; to date |
Born in a family that was________, Mr. Bingley attracted many ladies of the town.
| A．worse off | B．badly off |
| C．better off | D．well off |
The old man was found on the floor .
| A．lying；dead | B．lying；death |
| C．lying；died | D．laying；dead |
Scientists are convinced ________ the positive effect of laughter _______ physical and mental health.
| A．of; at | B．by; in | C．of; on | D．on; at |