题目内容：

按要求完成句子

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

Beef_______ rice ________healthy food.

2.We have carrots and potatoes for dinner.(对画线部分提问)

________do you have _______ ________?

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

________good _____ ________a healthy breakfast.