Which word is different from the others

1.Which word is different from the others
A.rubber
B.ruler
C.compass
D.bicycle
2.They are healthy.The do..........every day.
A.football
B.physics
C.judo
D.breakfast
3.Are there three..........in the living room
A.lamp
B.lamps
C.a lamp
D.an lamp
4.We live in the mountainous area and we live in a..........house
A.villa
B.town
C.stilt
D.apartment
5.Mai and Lan..........a picnic tomorrow.
A.have
B.has
C.having
D.are having
6.Odd one out........
A.sofa
B.attic
C.bathroom
D.kitchen