—Has your father returned from Africa yet?—Yes,but he _______ here for only three days before his company sent him to Australia.
_____, the players began the game.
--- Is that 120? My brother is seriously ill! ---Ok. Help is _________ .
Have you realized the difficulty we have ____ the problem?
I think that ____ very difficult to learn.
---_______to you _______your great success! ---Thank you very much.