用单词的适当形式填空。
have   sit be    look    open
（1）There ________three small eggs and a big egg.   
（2）Mother Duck________on the eggs.   
（3）The big egg________later.   
（4）It is winter. It is cold. The ugly duckling________no home.   
（5）The ugly duckling________into the water. He is a beautiful swan.

Read and choose.

1. There ______ a house now.
2. There ______ any benches before.
3. There ______ a park before.
4. There ______ some monkeys now.

____ you taking photos?  ( )

A．Is

B．Are

C．Do

I ______ ten years old. (   )

A．am

B．is

C．are

Look! There _______ some apples in that tree.  (    )

A．is

B．are

C．be

D．am