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.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?
问题解答：
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