what are those?those are my vedio tapes.这样回答对吗,为什么?

What are those?________(those)are books. What are those?答语 what什么are those What colour are those over what those are there what are those?改为单数 What are those?They are___________. What are those in English? What are those?____are___apple_ trees What are those?改成单数 what are those?(回答问句) What are those on the what are those?的回答用those are . what are those they are ________. What are those _____ are apples What are these?Those are oranges. What are these? Are those?这道What are these? Are those?这道题怎么写? What are those in your bag是什么意思