9.My friend is living ______ his grandparents' house right now.
A.of B.on C.at D.between
10.You need to put ______ more clothes. It is very cold.
A.in B.on C.at D.between
11.My dad __________ very loudly on the couch.
A.snore B.snoring c.am snoring D.is snoring
12.My friend are ______ their work to the teacher.
A.show B.shows C.showing D.showed
13.They are ______ in the street.
A.fighting B.fought C.fight D.fights