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.

I want _____ the US one day. (   )

A．to go to

B．go to

C．to go

It’s cold swim in winter. (   )

A．to...too

B．too...to

C．so...to

根据句意写单词或用所给单词的适当形式填空。
【小题1】It’s time _____ go to school.
【小题2】The tiger is _____ (danger). Don’t go near it.
【小题3】Don’t _____ (feed) the animals.
【小题4】You are _____ (safe) at school.

The young woman has so many dresses, but she doesn’t know ________ every morning.  (    )

A．what to wear

B．how to wear

C．what to put on