句型转换，每空一词。

1. Tina often draws pictures after school. (用now改写句子)

Tina________ _______pictures now.

2. They are play basketball.(就画线部分提问)

_______ _______they_________?

3. Are the students having a class?(作否定回答)

No. ______ _______.

4. He is reading a book. (改为否定句)

He________ _______ a book.

5. She's talking to her friend. (改为一般疑问句)

________she_______ to her friend?