A. There are forty letters.

B. Thank you.

C. I'm writing goodbye letters to all my friends at school.

D. First I write the name of a friend.

E. It's in Beijing.

Ⅰ

⑴Why are you so sad?{#blank#}1{#/blank#}

⑵What do you like?{#blank#}2{#/blank#}  

⑶Who goes to the zoo with Helen?{#blank#}3{#/blank#}

⑷How is she？{#blank#}4{#/blank#}

⑸When does Tom have to go home?{#blank#}5{#/blank#}

⑹Does she live on Sunshine Street?{#blank#}6{#/blank#}

Ⅱ

A. He has to go home before ten

B. I like dancing.

C. She's sad.

D. No, she doesn't.

E. Because it's my birthday today.

F. Mike does.