The speaker_______have arrived by now.What might have happened to him?应填
问题描述：
The speaker_______have arrived by now.What might have happened to him?应填
应填was supposed to 还是 is supposed to
答
正确形式是：The speaker【is supposed to】have arrived by now.What might have happened to him?=The speaker【should/ought to】have arrived by now.What might have happened to him?=【We think 】the speake...