He doesn't tell me when he_______ . I'll telephone you as soon as he______.

I didn’t hear you, because I ________ yesterday’s football game. 

—Tony, could you give me a hand?—Wait a minute.I ______.

I met a good friend of mine while I     on the street.

—Why didn’t you go to play football with us yesterday afternoon? —I _____my mother with the housework then.