阅读对话,回答问题。
Toby: Look at Sam's dreams. What did he want to be at the age of eight?
Aggie: He wanted to be a scientist and fly to the moon.
Toby: What was his dream when he was twelve?
Aggie: He liked swimming. So he wanted to join the National Swimming Team.
Toby: I believe work hard and his dream will come true.