It has two teeth ______ trucks.(  )

A．called

B．call

The windmill is paper. (  )

A．make from

B．made of

C．making of

用下列动词的适当形式填空。
【小题1】He told me that he_____(visit) the Summer Palace the next day.
【小题2】—Who has borrowed the dictionary? I want to use it.
—Miss Li. She_____(keep) it for a week.
【小题3】The old man_____(die) last summer. He_____(die) for eight months.
【小题4】Father_____(cook) when I got home.
【小题5】Mr. Smith told us he_____(show) the guests around the factory.
【小题6】In winter when your clothes_____(wash), it is not easy to get them dry.
【小题7】—_____the twins_____(return) yet?
—Yes. They_____(have) a rest in the room now.
【小题8】It_____(rain) but it_____(stop) now.
【小题9】All the children_____(keep) quiet though their teacher was not there.
【小题10】The boy_____(read) a story book now.

根据课文内容填空。
1. ____ is the seventh month ____ the year.
2. July 1^st is the birthday ____ the Communist Party of China.
3. People celebrate the day ____ it was ____.
4. The People’s Liberation Army Day is ____ August 1^st.
5. ____ August, school is ____.

It is said that potato chips ___ by mistake about a hundred years ago. （ ）

A．invent

B．invented

C．are invented

D．were invented