1、判断题：
As a response to "How do you do?", you should say "Fine, thank you".
选项：
A:错
B:对
答案: 【错】

2、判断题：
After you have said goodbye by using phrase like "Have a good day" or "See you later", you cannot say "Bye" at the very end.
选项：
A:对
B:错
答案: 【错】

3、单选题：
Which conversation is more formal?
选项：
A:a: Hi there. How are things, man?

b: Fine, thanks.

B:a: Hey, how's it going?

b: Oh, not too bad, thanks.

C:a: Good morning. How are you?

b: I'm very well, thank you. And you?

答案: 【a: Good morning. How are you?

b: I'm very well, thank you. And you?

】

4、单选题：
How can you know the price of the item another person bought without violating other people’s privacy?
选项：
A:Ask the price directly.
B:Say that you want buy one yourself and ask whether it is expensive.
C:Ask the person whether he/she can tell you the price.
答案: 【Say that you want buy one yourself and ask whether it is expensive.】

5、单选题：
How to address one woman when you don’t know whether she is married or not?
选项：
A:Miss.
B:Ms.
C:Mrs.
答案: 【Ms.】

6、单选题：
Which might be a better way to know whether a person is married or not?
选项：
A:Ask how many kids he/she has.
B:Ask how his/her family is.
C:Ask whether he/she is married or not.
答案: 【Ask how his/her family is.】