遇到下列情况你该怎么说？选择正确的选项。

1. 当你想知道这是什么东西时，应这样说：[ ]

A. What's this?

B. It's a book.

2. 当你认识了一位新朋友时，你要说：[ ]

A. Nice to meet you.

B. How are you?

3. 当别人对你说“Good-bye!”时，你应回答：[ ]

A. Hi!

B. See you later!

4. 对方问你的身体状况时，如果感觉很好，你应该说：[ ]

A. I'm fine, thanks.

B. How are you?

5. 当你想知道她的名字时，你要这样问：[ ]

A. What's his name?

B. What's her name?

6. 当你想问课本在哪里时，你应说：[ ]

A. How many books do you have?

B. Where is my book?