these volleyballs are ($55).对括号部分提问 i need a pair of shoes for school.改为一般疑问句we sell bags.改为否定句

问题描述:

these volleyballs are ($55).对括号部分提问 i need a pair of shoes for school.改为一般疑问句
we sell bags.改为否定句

1、These volleyballs are ($55).(对括号部分提问 )
How much are these volleyballs?
2、I need a pair of shoes for school.(改为一般疑问句)
Do you need a pair of shoes for school?
3、We sell bags.(改为否定句)
We don't sell bags.