1. 句型转换

1. （1） Beef is healthy food. Rice is healthy food, too. (合并为一句)

   Beefricehealthy food.

3. （2） We have carrots and potatoes for dinner. (对划线部分提问)

   do you have ?

5. （3） Chocolate isn't healthy. It's my favourite food. (用but连接两个句子)

   Chocolate isn't healthyit's my favourite food.

7. （4） meat, not, your, much, is, for, too, health, good(. )(连词成句)

9. （5） To have a healthy breakfast is good. (改为同义句)

   good a heal thy breakfast.