按情景选择恰当的选项。
1. 当你想把自己的好朋友介绍给老师时，可以说：[ ]
A. Miss Zhang, this is Jenny.
B. I'm very well.
C. Hello, Jenny. Nice to meet you.
2. 你想知道爷爷今天的身体好不好时，可以问：[ ]
A. How old are you?
B. How are you today?
C. Nice to meet you.
3. 你想知道这是什么颜色的，可以问：[ ]
A. What colour is it?
B. What do they look like?
C. What's this?
4. 你知道自己考了第一名，很高兴，可以说：[ ]
A. I'm happy.
B. I'm sad.
C. I'm tired.
5. 你想告诉朋友，你爸爸是一名警官，可以说：[ ]
A. My mother is a police officer.
B. My father is a police officer.
C. My father is a bus driver.
6. 你问同学，他在做什么，可以说：[ ]
A. What is she doing?
B. What is he doing?
C. What are they doing?