很高兴为你解答.
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正确答案是：
Guess.Yes,there are many pronouns from their talk / conversation.
B:Is it his ,Tom.
A:Let me have a look.It's his,but where is he?Oh,go to the office to find him.
B：OK.What is he doing in the office?
A:His English teacher wants him to hand out exercise-books.
【翻译】：
猜一猜.是的,在他们的谈话中有很多的“代词”.
B：汤姆,这是他的吗?
A：让我看看,这是他的.但是他去哪里去啦?哦,我们去办公室找他吧!
B：好的.他在办公室干嘛?
A ：他的英语老师想他分发练习册.