根据情景选择正确的答案。
1. Mike想和Sarah一起去画画，他应该说：[ ]
A. Let's go to school.
B. Let's paint.
C. Let's play.
2. 过万圣节了，同学们互相问候：[ ]
A. Happy Halloween!
B. Happy Teachers' Day!
C. Merry Christmas!
3. Chen Jie和John初次见面，应该说：[ ]
A. How are you?
B. Thank you.
C. Nice to meet you.
4. Chen Jie和John又见面了，他们应该说：[ ]
A. Nice to meet you, too.
B. How are you?
C. What's your name?
