问题描述: Are they preparing for the English evening last night?这句话对吗 1个回答 分类:英语 2014-10-09 问题解答: 我来补答 错了,时间是Last night昨晚,所以句子的时态应该是过时Are 改为 WereWere they preparing for the English evening last night? 展开全文阅读