—I hear the Smiths have gone to Hainan for a holiday． —Really? How nice! Do you know when they _____...
2022-12-05 05:49:55 20次 2016届湖南长沙长郡双语实验中学初三下第五次限时训练英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—I hear the Smiths have gone to Hainan for a holiday．
—Really? How nice! Do you know when they ______ ?
A．left B．was leaving C．had left
本题链接：
