It is hoped that you can make some adjustments about the quality of your service the reactions of the customers.
| A．in return for | B．in response to | C．in favor of | D．in charge of |
Air pollution is getting more and more serious, so we must take action it is too late.
| A．before | B．after | C．until | D．when |
—Where is the post office?
—It's just over there, at the end of the street. You not miss it.
| A．can | B．must | C．may | D．would |
is known to all is that the Diaoyu Islands have belonged to China since ancient times.
| A．As | B．It | C．What | D．That |
Skiing in Taiwan is most of the time because there's very little snow there.
| A．common | B．necessary | C．normal | D．impossible |
Schools in China are required to at least one “Sports Day” per academic year.
| A．set aside | B．set down | C．set out | D．set off |