根据设置的情景，选择正确的答案。

1. 别人对你说“Hello”，你应该说：[ ]

A. Bye.

B. Hi.

C. Fine, thank you.

2. 你想知道别人的名字，你应该问：[ ]

A. What's your name?

B. How are you?

C. Who is he?

3. 你的橡皮找不到了，你可以问：[ ]

A. What's this?

B. Where's my eraser?

C. How about you?

4. 想要看看同学的大书包，你可以对他说：[ ]

A. Show me your big bag.

B. Touch your big bag.

C. Look at your big bag.

5. 你想知道图片上有什么，你可以问：[ ]

A. Where's the picture?

B. What's in the picture?

C. Who's in the picture?

研究汉语史有哪些材料？（列举五种以上）