【题目】—Why do you collect so many old bikes?
—I'll have them ______and give away to the children who don't have bikes.
A.used up
B.given up
C.fixed up
D.set up

【答案】C
【解析】考查动词短语。句意：——你为什么收集这么多自行车？——我是想修理一下车子然后捐给没有自行车的孩子们。A. used up“用光”； B. given up“放弃”； C. fixed up“修理”； D. set up“建立”。根据句意，选C。