W: Have you changed my QQ codes?
你改了我的QQ密码吗？
M: What evidence do you have to say that?
你那样说有什么证据吗？
W: Only you know my codes.
只有你知道我的密码。
M: You should choose A instead of B for the answer.
你应该选A而不是B。
W: What evidence do you have to say that?
你那样说有什么根据吗？
M: There is a wrong word in B.
B选项里有一个错误的单词。
