jimmy washes hands before dinner。 lisa likes milk very much. they walk to school. 变一般疑问句。

一般现在时的陈述句变一般疑问句，陈述句中只有一个实义动词作谓语，在句首加do或does, 主语后的实义动词用原形。如：
　　I like these animals． → Do you like these animals﹖
　　She wants to go to the movies． → Does she want to go to the movies﹖
回答为 Yes, I do． / No, I don't．Yes, she does． / No, she doesn't．

此处 变一般疑问句为
　　Does jimmy wash hands before dinner? 吉米饭前洗手吗？
Does lisa like milk very much?丽莎很喜欢牛奶吗？
Do they walk to school? 他们走路去上学吗？
回答分别为
Yes, he does./No, he doesn't.
Yes, she does./No, she doesn't.
Yes, they do./No, they don't.本回答被提问者和网友采纳

Does Jimmy wash hands before dinner?
Does Lisa like milk?
Do they walk to school together?

Does jimmy wash (his) hands before dinner?
Does lisa like milk very much?
Do they walk to school?

Does Jimmy wash hands before dinner?
Does Lisa like milk very much?
Do they walk to school?

Does Jimmy wash his hands before dinner?
Does Lisa like milk very much?
Do they walk to school?