Are these your skates No.They are _______.

Are these your skates No.They are _______. Are these your pen----- No,they are my brothers. Are these your friend?A.Yes,these are B.No,they are C.Yes,th Are these your ______ trousers?No,they aren't ______. Are these your rulers?No,they aren't.They are no Are these your books?yes,they are.\No,they aren't they're he Are these books＿＿?No,they are not mine.They blong to＿.A your these are (they)books.those are (your) 改正句子：1.These are you pens? No,they are not. 2.Is this your f Are these your teachers' book?No,they're not .____books are teacher:Hi,anna,are these your pencils? anna:no,they are bob Are these your pens?No,they're not.our pens are blue.