my parents have 20 balls .改为一般疑问句.

问题描述:

my parents have 20 balls .改为一般疑问句.

do my parents have 20 balls?

Do your parens have 20 balls?

Do your parents have 20 balls?
改疑问句的时候注意把人称改一下.

Do your parents have 20 balls?