—Tom, it seems that you haven’t cleaned your bedroom the whole week .—You didn’t come in around 10 yesterday morning; I ________ it .
As is known, we Chinese people are __________ to win the battle against the present severe drought under the leadership of the Party.
You should understand the traffic rule by now. We have had it __________ often enough.
He is giving her French lessons in __________ for her teaching him English.
-Shall I __________ addresses with you ? -OK. Hongxing Road, No 53. Yours?
He's teaching me French __________ my teaching him Chinese.