根據具體情景，選擇最佳的句子。
1. 早晨你上學時遇見老師,你應該對她說:
A. Hello, Mr Lee.
B. How are you, Miss Liu?
C. Good morning, Miss Sun.
2. 你們班新來了一位同學,你想知道她的名字應該怎么問?
A. Hello. My name is Maria.
B. What's your name, please?
C. How are you?
3. 上課時,同學們和老師互相問候后,老師說請坐下,同學們應該怎么說?
A. Good afternoon, Miss Zhang.
B. Goodbye, Mr. Li.
C. Thank you Miss Lee.
4. 上課了,老師走進教室.班長這時應對全班同學說:
A. Good morning, class.
B. Stand up, please.
C. Sit down, please.
5. 下課了,或放學了,同學們應該和老師說:
A. Good afternoon, Mr. Lee.
B. Thank you , Miss Zhao.
C. Goodbye, Miss Lin.
