用分词完成下面的句子。
1The professor giving us the talk (给我们讲话的)is from Bei Jing University.
2 The object put in the box,(放在盒子里的)is a fan made in feather (羽毛做的)
3 Hearing the news（听到这个消息）,they jumped up and down with great joy.
4 Did you watch Xiao Liu milking the cow (挤牛奶) this morning? 5 If heated（加热）to a high temperature, water will change to vapor. 6 Charlie is going to have his trousers repaired (补裤子)。 7 Having fed the chickens（喂完了鸡），the girls went out to play. 8The visitor came in, followed by a group of young people (后面跟着一群人).
9 This is the bridge built hundreds of years ago (几百年前造的). 10 The child came to his mother, running and jumping (跑着挑着).
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