He chose to teach in a mountain village, though he in the city for a better life.
| A．could stay | B．would stay |
| C．could have stayed | D．should have stayed |
—It cost me 30 yuan to get here.
—Well, it was crazy of you to take a taxi _________ you would come
by bus as well.
| A．unless | B．when |
| C．if | D．Because |
Martin Luther King was _________ the Nobel Prize for peace for his outstanding contribution to world peace.
| A．rewarded | B．awarded |
| C．assigned | D．assisted |
Not until Sunday _________ there last week.
| A．did we go | B．we went |
| C．we didn't go | D．we did go |
We are so glad that we have _________ all we set out to do.
| A．fulfilled | B．been completed |
| C．been finished | D．Accomplished |
Advertising is distinguished from other forms of communication _________ the advertiser pays for the message to be delivered.
| A．in that | B．in order that |
| C．in which | D．That |