TheInternationalOlympicCommittee(IOC)onceexpresse...
来源：语文精选馆 1.71W
问题详情：
The International Olympic Committee (IOC) once expressed concern over Rio’s ability to build all thenecessary _______ for the 2016 Summer Olympics in time.
A. appliances B. facilities C. tools D. devices
【回答】
B
知识点：名词
题型：选择题
