A: Hello, Cindy! {#blank#}1{#/blank#}

B: I'm fine, thanks.

A: {#blank#}2{#/blank#}

B: My favorite subject is science.

A: {#blank#}3{#/blank#}

B: Because it's difficult but interesting.

A: {#blank#}4{#/blank#}

B: Mr. Lin is my science teacher. We like him very much.

A: Oh, Mr. Lin. Today is Friday. It's Mr. Lin's birthday. I know he'll have a

birthday party tonight.

B: Let's go to his birthday party.

A: {#blank#}5{#/blank#}

—____________．It sounds exciting，but it still worries me.

—Really?    .

—_______________