how much are the red trousers/pants?
they are 100 yuan.
注意 裤子的英文trousers只能是复数,单数是错的.
或者说
how much do the red trousers/pants cost?
100 yuan.
那条红色的裤子多少钱?（翻译成英文） 它们100元?（翻译成英文）
how much are the red trousers/pants?
they are 100 yuan.
注意 裤子的英文trousers只能是复数,单数是错的.
或者说
how much do the red trousers/pants cost?
100 yuan.