How much is your pen?(改为同义句)

问题描述:

How much is your pen?(改为同义句)
1.How much _____ your pen ____ you
2.How much do you _____ for your pen?
3.How much do you _____ on your pen
4.What's the ____ _____ your pen?

1.does,cost
2.pay
3.spend
4.price for