Those ( ) are present are well 这里到底应该填which 还是 who?

What are those?________(those)are books. What are those?答语 those are shoe改错 what什么are those Are those books (your) Whose are those books? whose pants are those? Those are pencils hers? Are those erasers? Are those ______ books are those your maps? Those are beautiful pictures. are those your lambs? 用those are.造句 What colour are those Are those sweater s for those(act) what are those?的回答用those are . Those are my books 改成 _____ are those?