钟面上的秒针总在不停的做______运动;国旗的升降属于______现象. 发布时间:2017-04-30 07:04 │ 来源:www.tikuol.com 题型:填空题 问题: 钟面上的秒针总在不停的做______运动;国旗的升降属于______现象.
题型:填空题 The secretary worked late into night, _____ a long speech for the president. [ ]A. to prepare B. preparing C. prepared D. was preparing 查看答案