问题描述: 他在打扫教室的时候,发现地上有块表 When he ()the classroom,he ()a watch on the ground 1个回答 分类:英语 2014-12-13 问题解答: 我来补答 when he comes the classroom,he seeing a watch on the ground==when he comes the classroom ,a watch was seen on the ground 展开全文阅读