You will find what great benefit the computer you own can be _____ each time you use it to help you work.
| A．for | B．at | C．of | D．on |
Physical exercises not only are useful for character training but also can ________ man’s body.
| A．make up | B．keep up | C．bring up | D．build up |
He spent __________ money on books and _________ his books are about space and satellites.
| A．a great deal of; a good many of | B．a good many; a great number of |
| C．a great number of; a large amount of | D．quantities of; a quantity of |
When I came back from shopping, I found my purse __________.
| A．having stolen | B．being stolen | C．stolen | D．stealing |
Mr. Smith, may I have a word with you? I’ll try not to __________ too much of your time．
| A．take up | B．take on | C．take in | D．take off |
You may catch up with others __________ you work a little harder.
| A．so long as | B．so far as | C．however | D．unless |