句型转换。

1. My brother has lunch at school. (变一般疑问句)

   _____ _____ brother _____ lunch at school?

2. Her grandparents like fruit. (对画线部分提问)

   _____ _____ her grandparents _____?

3. I want some orange. (改为否定句)

   I _____ _____ _____orange.

4. His sister doesn't like strawberries. (改为肯定句)

   His _____ _____ _____.

5. She likes salad. (改为复数形式)

   _____ _____ _____.

与海上、空中力量相比，地面作战力量的信息化步伐相对较慢些。