We have made _______great progress in the medical field, but ______ progress we have made is not enough.
| A．a; a | B．a; the | C．/; the | D．/; / |
— Can you tell us what is important to a businessman?
— ________ information.
| A．Collect | B．Collected | C．Having collected | D．Collecting |
As a film star she was a success, but as a wife she was ________ failure, so their marriage ended in ________ failure.
| A．/; / | B．/; a | C．a; a | D．a; / |
As a student, you should try to ______ being late for your class.
| A．avoid | B．refuse | C．prevent | D．punish |
He was in hospital for six months. He felt as if he was ________ from the outside world.
| A．cut out | B．cut off | C．cut up | D．cut though |
--- Robert is indeed a wise man.
--- Oh, yes. How often I have regretted _______ his advice!
| A．to take | B．taking | C．not to take | D．not taking |