如果你想说“一周有七天。”，你应该说：________
A．There is seven day in a week. B．There are seven days on a week.
C．There are seven days in a week.
( )My mother likes ______.
A. singing and dancing.B. sing and danceC. sing and dancing
( )I'm going ______ 3 o'clock.
A. onB. inC. at
( )_______ does he work? He works at sea.
A. HowB. WhoC. Where
( ) Usually I go to school on ______.
A. bikeB. footC. plane
找出与其他三个不同类的单词。
( ) 1. A. planeB. subwayC. comic book
( ) 2. A. cleanerB. factoryC. worker
( ) 3. A. red lightB. traffic lightC. yellow light
( ) 4. A. illB. sadC. mouse
( ) 5. A. dancingB. swimmingC. sing