they have a meeting on Friday.(when提问)
问题描述：
they have a meeting on Friday.(when提问)
答
句子本身有问题应该是 They will have a meeting on Friday.这时改 When will they have a meeting?或者是 They had a meeting on Friday.这时改 When did they have a meeting?好像也没问题..如果一般现在也可以 就...