I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.
________! Our troubles will soon be over.
-----Excuse me. Is this the right way to the Summer Palace? -----Sorry, I am not sure. But it _______ be.
_______ you’ve got such a good chance, you might as well make full use of it.
----- ________ for the fire! ----- It's OK. I’ll be careful enough.
There is some doubt whether he will______ at the meeting.