【单选题】— Jane was an hour late this morning. — I noticed she left her home early.
【简答题】家用缝纫机踏板机构属于 机构,主动件是 。
【判断题】每个贸易术语前,均有使用说明,是国际贸易术语解释通则2010的构成部分
【单选题】搜索引擎中的空格相当于哪一个逻辑运算符?
【单选题】-May I speak to Jane? -Yes, ____.
【单选题】-----Jane has never been to such a beautiful country.. -----________________.