Without facts, a person can not form a correct opinion, for he needs to have actual knowledge ______his thinking .
| A．on which to be based | B．on which to base |
| C．which to be based | D．which to base |
He’ll be very upset if you_________his offer of help.
| A．turn off | B．turn out |
| C．turn over | D．turn down |
.—Have you moved into the new house?
—No,the building is_________ construction.
| A．at | B．under | C．for | D．in |
—How about your sister’s studies?
—Oh,she is_________ very well in her studies.
| A．feeling | B．getting |
| C．doing | D．becoming |
It_________ to me that I should pay a visit to my friend Jane.
| A．happened | B．supposed |
| C．proved | D．occurred |
.She listened to the music with her face_________ in tears.
| A．bathes | B．bathing |
| C．to bathe | D．bathed |