You know, ________ knowledge of ________computer is necessary to a secretary(秘书).
| A．a; / | B．the; the | C．the; / | D．a; a |
—Do you often go to the gym? You look fit．
—On the contrary, seldom ____ in my spare time．
| A．I work out | B．did I work out |
| C．I worked out | D．do I work out |
Hearing the disappointing news, he was too sad to ____himself．
| A．contain | B．include | C．manage | D．command |
Any packet __ properly will not be accepted by the post office．
| A．not to address | B．not being addressed |
| C．not addressed | D．not having addressed |
—Cheap food means that everyone can afford to eat well．
—___．But what about the long-term effect on the environment?
| A．I see your point | B．Not really |
| C．That' s all right | D．I hope not |
—Jane, I will graduate this June．What advice will you give me?
—Suggest you goyou are most needed and you'll benefit a lot from it．
| A．in which | B．to which | C．where | D．at which |