—The authors of computer viruses are geniuses.
—I agree. If they applied their wisdom to other net technology _____ human beings can benefit, it would be better.
| A．in which | B．through which | C．from which | D．during which |
243. --- Please change this sentence into Chinese.
--- ________?
--- I asked you to put this sentence from English into Chinese.
| A．Excuse | B．Beg your pardon | C．I’m sorry | D．Forgive me |
242. We have got everything ready and all of us are waiting for you. You should have _____ quickly for the trip to Guangzhou.
| A．wrapped | B．tied | C．packed | D．Packeted |
241. I am leaving in an hour but I haven’t _____ my clothes into my trunk.
| A．paced | B．packed | C．sent | D．Carried |
240. It is an important problem. You should ________ before you draw a conclusion.
| A．think about | B．think it over | C．think of it | D．think over it |
239. He_____ me 50 yuan and didn’t return it to me until last night.
| A．owed | B．lent | C．paid | D．Borrowed |