Only you care about grammer,the native speakers do not care about grammer.So ,you are picky or you are just changing the topic to cover your mistake
【 在 VincentisNo1 的大作中提到: 】
: You made a mistake about grammar, English grammar.the last sentence you wrote should be modified as  
: pretend not to know that~
: got it?
: ...................
--
FROM 222.70.235.*