单选题 I'm sorry. I am late due to the heavy traffic. (　　)

单选题 Paul, (　　)? Oh, that's my father! And beside him, my mother.

单选题 (　　) He teaches physics in a school.

单选题 Hello, I'm Harry Potter.Hello, my name is Charles Green, but (　　).

单选题 It's rather cold in here. Do you mind if I close the window? (　　)

单选题 Hi, Tom, how's everything with you? (　　), and how are you?

单选题 Excuse me, how much is the jacket? It's 499 Yuan. (　　)

单选题 Who's speaking? This is Tom(　　).