If you go by car, by bike or on foot, you must know the .
A.traffic rules B.traffic C.traffic light
( )Some boys enjoy music.
A .listen to B. listens to C. listening to
( ) We have four classes 8:00 11:30 in the morning
A. from…to B. at…to C. from…and
( ) Different people have different .
A. hobby B. hobbies C. a hobby
( ) The White House is in .
A. France B. China C. Washington D.C.
( )Our teacher always tells us waste water.
A. to not B. not to C. not