We must set a limit __________ the expense of the trip.
3. The United Nations was supposed to ___________ the role of global peace-keep.
2. The best _________ are always trying to find new ways out of difficulties.
一. 单项选择(共35小题;第小题1分,满分35分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 1. A(n) ________ that broken out between them ended their friendship. A. debate B. argument C. quarrel D. argue
20. _____ about the economic crisis that he decided to look for more information about it.
19. At weekends in Chengdu, you can often see many people _____ outside some restaurants, _____ to have dinner.