Did he come to china?和Have he ever been to china 有什么差别?

Did he come to china?和Have he ever been to china 有什么差别? have you ever been to China和have you ever been China有什么区别? Have you been to China?和 Have you ever been to China?有什么区别吗? He has been to China in 2003有什么错? He is going to China和He is going on to China有什么区别? He want to come to China. Have you been to China?和Have you ever been to China 都是一样的意思吧 Have you been to China?和Have you been to China 有分别? He will come to China ( ) three days. 英语问题,强者进反意疑问1.---Tom said he had been to China.---He did,___ Tom has been at this school since he come to China.对since he Have you ever been all over china?其中been 和all 之间为什么不加个to,不是有