These pants are yellow.改为一般疑问句

These pants are yellow.改为一般疑问句 these yellow pencil are hers 改为一般疑问句 those black pants are 40 yuan改为一般疑问句 The blue pants are 50 dollars改为一般疑问句 these are their parents(改为一般疑问句) These are English books?改为一般疑问句? These are my brothers改为一般疑问句 These pens are blue 改为一般疑问句 these are their friends. [改为一般疑问句】 These are photo(改为一般疑问句) These girls are nice.改为一般疑问句 These are his sisters.(改为一般疑问句)