How much is your sweater?( 改为同义词)

问题描述:

How much is your sweater?( 改为同义词)
what`s____ ____ ___your sweater?
This bag is small.(改为同义词)
This bag____ ____.
The _______ of the skirt is $50.
请说出英语的语法知识点以及答案

the price of
isn't big
price
问价格的时候可以用how much或者what's the price of