-----Someone is knocking at the door.It ____ be Tom .-----No, it ______ be him ;he has gone to Sydney.
It was announced that only when the fire was under control ___ to return to their homes.
Haveyouheard____news?Thepieceof____petrolisgoingupagain!
If a person has not had enough sleep, his actions will give him ___ during the day.
We finished the run in less than half the time ____.
--- Shall we go out for a walk? --- Sorry. This is not the right ____ to invite me. I am too tired to walk.