--- 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 |
Your parents have given you all the facts _____ you can judge for yourself easily
| A．even if | B．as if | C．such that | D．so that |
Kelly _______ her sister is a member of the school basketball club.
| A．as well as | B．as well | C．also | D．and |
You shouldn’t have failed the job interview. Why didn’t you do ___ the expert suggested?
| A．if | B．when | C．as | D．because |
They will fly to Washington, ______ they plan to stay for two or three days.
| A．where | B．there | C．which | D．when |
It isn’t quite ___ whether the Tibetan antelope is still being hunted.
| A．certain | B．sure | C．safe | D．careful |