Teacher:Hi,Anna.Are these your pencils?老师：嗨，安娜。这些是你的铅笔吗？Anna:No,they're Bob's.安娜：不，它们是鲍勃的。Teacher:And is this his green pen?老师：那这是他的绿色钢笔吗？Anna:No,it isn't.The blue pen is his.安娜：不，不是。这支蓝色的钢笔是他的。Teacher:What about this dictionary?老师：这本词典呢？Anna:It's Helen's.And the green pen is hers,too.安娜：是海伦的。还有这支绿色的钢笔也是她的。Teacher:And the eraser?Is that yours?老师：那橡皮擦呢？那是你的吗？Anna:Yes,it is.安娜：是的，它是。Teacher:Thank you for your help,Anna.老师：多谢你的帮助，安娜。Anna:You're welcome.安娜：不客气。