After months of ( ), I personally can conclude that it was pretty much an arbitrary policy. ( 章节：5 难度：2)_做题室

单项选择题After months of ( ), I personally can conclude that it was pretty much an arbitrary policy. ( 章节：5 难度：2): A、obligation; B、donation; C、collision; D、observation

正确答案：D
答案解析：
关注下方微信公众号，在线模考后查看

热门试题