用所给单词的适当形式填空。
【小题1】Water is very________(use).
【小题2】We use wood________(make) chairs.
【小题3】Trees help________(keep) the air clean.
【小题4】________(protect) the Earth, we should________(save) water.
【小题5】Look! They________(do) a project.
【小题6】Please tell________(they) about Christmas.
【小题7】He starts________(sing).

Are there ___ computers in your class? ( )

A．some

B．a

C．any

词汇运用。
【小题1】They__________(fly)kites in the playground(操场) last Sunday.
【小题2】Do you want___________(stay)at home today?
【小题3】It was a____________(rain)day.
【小题4】Jack __________(sing) three songs at the party yesterday evening.
【小题5】Excuse ________ (I), where is the park?

根据中文意思，写出所缺的单词。
【小题1】Today was very cold. I ______ ______（穿上）many clothes before I ______（去）outdoors.
【小题2】It is ______ and ______（阳光充足和温暖）in Guangzhou in spring.
【小题3】______ is the ______ today?（天气怎样）
【小题4】The weather in Guangzhou is ______ from（与……不同）the weather in Beijing.
【小题5】I learned ______ ______（一些有趣的事情）about England.

The baby is ____. (    )

A．cry

B．smile

C．hungry