You _______move to the next room. You may still stay here if you like.
A. must B. needn’t C. can’t
Scientists say it may be a few years ______ it is possible to test the new medicine on patients．
| A．because | B．after |
| C．since | D．before |
— Why not riding with us tomorrow afternoon?
— I would rather TV at home．
| A．go, to watch | B．go, watch |
| C．to go, watch | D．going, to watch |
It’s so wise you to organize this trip．It’s necessary us to go on a trip sometimes．
| A．for; of | B．for; for |
| C．of; for | D．of; of |
Without her glasses, she was _______ blind．
| A．as far as | B．as high as |
| C．as well as | D．as good as |
He used to be ______ UNICEF worker, but now he is really excellent football player．
| A．an, an | B．a, an |
| C．a, the | D．the, an |