How I wish that I could ______ my ideas in simple and wonderful English when chatting on the net.
| A．set out | B．set off | C．set over | D．set up |
There was a(n)________silence in the live interview，when no one knew what to say to the audience.
| A．ashamed | B．disappointed | C．desperate | D．awkward |
Doctors are doing research to find out what happens physically when people______ smoking.
| A．quit | B．decline | C．prevent | D．reserve |
Once you get _______ something, it is very hard to ________.
| A．addicted to; rid yourself of it |
| B．used to; rid yourself of it |
| C．accustomed to; be got rid of it |
| D．addicted to; get away with it |
The mayor was charged with _______ his power for personal benefits.
| A．applying | B．abusing | C．taking | D．spending |
Many of the big world sports events are _______by wealthy big companies, who hope to advertise their companies or their products.
| A．organized | B．arranged | C．hosted | D．sponsored |