These are my suitcases改为一般疑问句 ＿＿your suitcases

希望大家帮我解决英文改错问题.There is a mistake in each of the following sentence.Find it out and correct it.改错:1)This pair of shoes belong to my father.2)The roller coaster is more excited than the roundabout.3)These are my suitcas These are my friend These are ()() my books. these are my feet . These are my grandparents. These are my b____ friends. these are my shoes 同义 these are you to my these are my trousers(对my提问) these are my books对my提问 These are my glove.对my提问. These are my sister给my提问 these girls are my cousins. -------these girlsthese girls are my cousins. -------these girls they are my friend和these are my friend改错 These are my pens同义句 These pens _______ These are my grandparents用this代替these These are my brothers改为一般疑问句 these are my oranges(改为单数句式)