-- I didn't see you at the meeting yesterday. Why?
--I _______ for an important telephone call at that moment.
| A．wait | B．waited |
| C．am waiting | D．was waiting |
______ a student, I shouldn’t be late ______ weekdays.
| A．As; on | B．To, at | C．as; in | D．To; on |
Bill doesn’t like cooking ______ cleaning.
| A．and | B．or | C．but | D．so |
We often have a party ______ the evening _______ January 1.
| A．on; of | B．at; of |
| C．on; in | D．in; on |
Watching ______ TV is bad for our eyes.
| A．too many | B．too much |
| C．much too | D．many too |
It’s important ______ us students ______ carefully in class.
| A．for; listening | B．for; to listen |
| C．to; listen | D．to; to listen |