英语：按要求完成句子.
【1】Do they sell all the clothes at very good price?【做否定回答】
【2】Those hats are too big for the girls.【改为同义句】
Those hats are 【】 【 】for the girls.
【3】The purple skirt costs me $26.【改为一般疑问句】
【 】the purple skirt 【 】you $26?
【4】How much are the trousers?【改为同义句】
【 】is the 【】of the trousers?
【5】This is my own clothes store.【改为否定句】
This 【 】 【】my own clothes store.