You must not cheat your friends ,must you?求上句的回答啊!

题目

You must not cheat your friends ,must you?求上句的回答啊!

答案

LS的肯定不对
LZ你只要记住一点就行了,只要客观是正确的,就是yes,客观错误的.就是NO,不要先想中文翻译
No,I mustn't.是的,