问题描述: left the restaurant at ** nine o ' clock填空选择题a about b on c in d at 1个回答 分类:综合 2014-10-11 问题解答: 我来补答 答案是 a. about at about nine o'clock 大约 9 点钟I left the restaurant at about 9 o'clock我大约 9 点钟离开了餐厅 展开全文阅读