therefore,it's high time we did something about it啥意思应该用did吗,是不是用do啊.
问题描述：
therefore,it's high time we did something about it啥意思
应该用did吗,是不是用do啊.
答
therefore,it's high time we did something about it啥意思
应该用did吗,是不是用do啊.