读句子，将下列句子连成一段完整的对话。
（______） Yes, I do. He was a scientist.
（______） Why is he famous?
（______） He was the first person to find out why apples fall.
（______） Do you know Newton?

当别人问你问题，但你不知道答案时，你应该说：______ (   )

A．Yes, it is.

B．I don't know.

C．Is it five?

选择相应的句子补全对话。
A. Yes, he was.
B. Was she a teacher too?
C. Who’s this?
D. Is this your aunt?
Lingling: This is a photo of my family. Come and have a look.
Amy: 【小题1】
Lingling: It’s my uncle.
Amy: Was he a teacher many years ago?
Lingling: 【小题2】 He taught Maths.  
Amy: 【小题3】
Lingling: Yes, it is.
Amy: 【小题4】
Lingling: No, she wasn’t. She was a nurse.

丹尼说他饿了，当时你也饿了，你可以说： (   )

A．You, too.

B．I am.

C．Me too.

—May I look at ______ brown cap? （   ）
—Certainly. Here you are.

A．it

B．that

C．there