Simon: Hey, Tom, what are you doing?
Tom: Hi, Simon. I’m looking at the stars.
Simon: Why? Do you want to be a scientist?
Tom: Yes. Science is my favourite. I think it’s more interesting than the other subjects.
Simon: Oh. I see.
Tom:"And"it’s more exciting.
Simon: Perhaps.
Tom:"And"more important!
Simon: Science is the most interesting, exciting"and"important!
Tom: Too right!
Simon: Guess what! My uncle is one of the most famous scientists in America.