补全对话

Tom和Jim在谈论伦敦及那里的名胜，请帮他们补全对话。

Tom: What's this?

Jim: It's a book about London.

Tom:

Jim: Yes! Very big.

Tom: What's this?

Jim: It's the Queen's house. It's very beautiful.

Tom: Look at the clock. What's this?

Jim: It's very old.

Tom: This park is beautiful. What is it?

Jim:

Tom: Look! It's very famous.

Jim: Yes. It's very beautiful, too.

Tom: London is a beautiful city.

A. This is Tower Bridge. B. London is a big city. C. It's Big Ben. D. It is Hyde Park. E. It's Buckingham Palace.