john must have come back yesterday,----?he must have waited here _英语解答

john must have come back yesterday,----?
he must have waited here for a long time,------?
两句反以疑问句,各该用什么?为什么?

人气：164 ℃　时间：2020-03-23 19:22:43

解答

我记得老师和我们说,这样的句式和逻辑似乎是说话人对事件的猜测
所以把must忽略……
似乎都要填 hasn't he