【单选题】--- Is this ______backpack? --- No, it is mine. That green backpack belongs to ______.
【单选题】--- Is that your backpack? --- __________. It’s my backpack.
【单选题】The boy ______ lost his backpack has to borrow books from his teachers. [ ]
【单选题】--Whose backpack is this? ---It be Jim’s. Look, his student’s card is in it.
【单选题】The boy _____ lost his backpack has to borrow books from his teachers. [ ]
【单选题】—Is that your backpack? —Yes, it is. It's _____backpack. [ ]
【单选题】--- Whose backpack is this? --- It be Mary’s. She is looking for hers.