ther are orange butterflies改为单数句

ther are orange butterflies改为单数句 they are orange sweaters 改为单数句 those are orange towels改为单数句 改为单数句:Those are orange oranges. they are orange schoolbags改为单数句 Are these orange quilts?改为单数句 those are orange jackets改为单数句 They are orange schoolbag改为单数句,怎么改啊! Those are orange说（改为单数句） THese are orange pencil cases (改为单数句） these are orange pencil cases 改为单数句 This is an orange(改为复数句） Those are my friends.改为单数句 Are thes