That's what I want语法

That's what I want语法 That's not what I want That's ______ (exact) what I want . that's what i want to 是that is it what i want还是that is what i want?其中哪一个有语法问题 That's __ what I want to buy that's just what I want right now darling, that's not what i want 中文什么意识 有一句歌词是 that's not what i want yes.That's what i want to say I'm sorry I love you, that's what I want to say 是什么意思? That's what I really want ...I cannot speak it out by myself