I  from China.

A．is

B．am

C．are

用动词正确形式填空：be ( are, am, is)
1. I_____ (be) doing homework now.
2. Mike and John ______ (be) drawing pictures.
3. Amy ____ (be) reading a book.
4. We are __________ (write) an e—mail.
5. Zhang Peng is _________ (listen) to music.
6. They _____ (be) _____________ (answer) the phone.

There ______ a river on the farm before. （ ）

A．is

B．are

C．was

They ______ in the library then. （   ）

A．are

B．was

C．were

She would like _____(be) a singer.

A．to be

B．is

C．be