------ The authors of computer viruses are geniuses.
------ I agree. They can apply their wisdom to other net technology ________ human beings can benefit.
| A．in which | B．through which | C．on which | D．from which |
It will be three days __________he ________back from his home town..
| A．when; will come | B．after; will come |
| C．since; comes | D．before; comes |
The hunterhis gun under the tree where he was .
| A．lay; lieing | B．laid; lying |
| C．lied; laying | D．lay; lying |
No words can ____ his feelings when the money dropping on the street was sent back to him.
| A．control | B．convey | C．exchange | D．affect |
–When can I get the result of the test, sir?
–You ____ have it next Friday.
| A．could | B．shall | C．must | D．may |
—How is the debate of your essay?
—It ____ well, but I ____one of the key points.
| A．might work; hadn’t forgot | B．needn’t have worked; forgot |
| C．could have worked; forgot | D．would work; hadn’t forgot |