My grandmother.............me a present yesterday

1.My grandmother.............me a present yesterday.
A.buys.      B.bought.         C.doesn't buy
2.Peter.........basketball yesterday.
A.doesn't play.         B.didn't play.        
3.Tony always.......……his cousins on Fridays.
A.visited              B.didn't visit.           B.visits
4.I…………my bike in the park every weekend .
A.ride.             B.didn't ride.             C.am riding
5.…………they…………to the beach last Saturday? 
A.did,goes.            B.do,go.            C.did, go 
6.Who…………penicillin?
A.discovers                B.discovering.           C.discovered
7.I usually …………a bowl of cereal for breakfast.
A.eat.        B.eats.        B.eating
8.Mum…………very happy today.
A.was.             B.is.            C.are