句型转换。

1. Why don't you go boating on the river? (改为同义句)

  ______  ______ go boating on the river?

2. Bill sat next to him in the classroom. (改为一般疑问句)

  ______ Bill ______ next to him in the classroom?

3. My sister is helping my mother wash clothes now. (用just now替换now)

  My sister _____ my mother wash clothes ______  ______.

4. Please tell me, "Why does Sally miss her parents?" (连成含宾语从句的复合句)

  Please tell me ______  ______  _______  ______  _______.

5. I wanted to know, "Is he doing his homework?"  (连成含宾语从句的复合句)

  I wanted to know ______  ______  _______  _______ his homework.