166. The computer system ___________suddenly while 166. The computer system ___________suddenly while he was searching for informat 分类:河南理工大学生药学 题型:选择题 查看答案
106. Is the library ________ now? No, it’s ______. 106. Is the library ________ now? No, it’s ______. 图书馆现在开了吗?没有,关着。 A. open; clos 分类:河南理工大学生药学 题型:选择题 查看答案