Don’t be angry with us. We _____ with you together, but we were busy with our final reports when you called in.
Advertising is different from other forms of communication in that the advertiser pays for the message .
Of the two brothers, Bill is ____ younger one, and he is a quiet boy, _____ that most adults like very much.
Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.
There must have been a large number of tourists in Sanya during the past Spring Festival, __________?
he newly-discovered star was named _____ a Chinese astronomer ________his contributions to astronomy.