根据具体情景，选择最佳的句子。
1. 早晨你上学时遇见老师,你应该对她说:
A. Hello, Mr Lee.
B. How are you, Miss Liu?
C. Good morning, Miss Sun.
2. 你们班新来了一位同学,你想知道她的名字应该怎么问?
A. Hello. My name is Maria.
B. What's your name, please?
C. How are you?
3. 上课时,同学们和老师互相问候后,老师说请坐下,同学们应该怎么说?
A. Good afternoon, Miss Zhang.
B. Goodbye, Mr. Li.
C. Thank you Miss Lee.
4. 上课了,老师走进教室.班长这时应对全班同学说:
A. Good morning, class.
B. Stand up, please.
C. Sit down, please.
5. 下课了,或放学了,同学们应该和老师说:
A. Good afternoon, Mr. Lee.
B. Thank you , Miss Zhao.
C. Goodbye, Miss Lin.
