The only one who could save me is myself 这句话有没有语法错误?

The only one who could save me is myself 这句话有没有语法错误? 这句话有语法错误吗?Only one heart,only one love或者Only one heart,only The same as me这句话有没有语法错误 I need do everything myself 这句话有没有语法错误 there have been only one China中文是什么意思,另外这句话有没有语法错误? The girl who she said that she is a pirncess这句话有没有语法错误,若有的话, I'll be the last one who standing.这句话是否有语法错误 【这两句话辨析】He is the only one of the students who knows French. i think the job is suitabel me这句话有没有语法错误啊,怎么有两个动词 "THE FRENCH IS THE MOST BEAUTIFUL ONE"有没有语法错误 "watches not only show the time" 请问这句话有没有语法错误? 这句话有语法错误吗：only then did i realize how beautiful the world is