.
The public have been reminded to be _______of how the disease spreads.
| A．awful | B．aware | C．certain | D．worthy |
As is known, we Chinese people are __________ to win the battle against the present severe drought under the leadership of the Party.
| A．willing | B．alert |
| C．allergic | D．bound |
You should understand the traffic rule by now. We have had it __________ often enough.
| A．explaining | B．to explain |
| C．explain | D．explained |
He is giving her French lessons in __________ for her teaching him English.
| A．place | B．turn |
| C．exchange | D．change |
-Shall I __________ addresses with you ？
-OK. Hongxing Road, No 53. Yours?
| A．exchange | B．share |
| C．cause | D．govern |
He's teaching me French __________ my teaching him Chinese.
| A．in place of | B．in case of |
| C．in exchange for | D．in honor of |