— May I use your computer for a while? — Sure, _____ .
| A．go ahead | B．my pleasure | C．you might | D．you’re welcome |
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 |
—Sorry, sir．He ____to a meeting soon．
| A．would go | B．has gone | C．will have gone | D．is going |
The research showed beyond that smoking contributes to heart disease．
| A．reach | B．power | C．doubt | D．problem |