读句子并选出合适的词填空

A．on

B．in

C．by

D．from

E．to

F．of

【小题1】My family is very important________me.I love my family.
【小题2】The smoke ________the cars and buses makes the air dirty.
【小题3】—How did you go to Pairs for your holiday?
—I went there ________train.
【小题4】We get a lot of things________ trees.
【小题5】It keeps them high________ the sky.
【小题6】We live________ the Earth.The Earth is our home.
【小题7】What should we do________keep the air clean?
【小题8】Take a piece________cloth.

你想说你是坐公交车去学校的：______( )

A．I go to school on foot.

B．I go to school by bus.

—Who can help me? I can’t carry all the books. (    )
—Sorry, I am_____ the phone.

A．on

B．in

C．at

She is dancing ______ his party. ( )

A．on

B．at

C．in

乘飞机（   ）

A．by train

B．by plane

C．by ship