— I'll come to listen to your speech at 9:30 tomorrow morning.— I regret to tell you that by then my speech ____.

 --I hear Michael is in hospital. ----Oh, really? I____know. I______go and visit him.

—Are they about to have dinner？—Yes, it ________ in the dinning room.

Look! The pond ________, and no fish in it can survive.

The number of historic buildings which ________ has reached a surprising figure that we must be aware of.