1. 句型转换

1. （1） My favourite food is rice. （对划线部分提问）

   favourite food?

3. （2） Juice and milk are healthy drinks. Cola isn't a healthy drink. （用but连接两个句子）

   Juice and milk are drinks cola a healthy drink.

5. （3） Hamburgers and cola are healthy food and drink. （改为否定句）

   Hamburgers and cola healthy food drink.

7. （4） To stay healthy is very important. （改为同义句）

   It's very important healthy.

9. （5） We have meat, vegetables and rice for lunch. （对划线部分提问）

   do you have ?