I came from china还是I come from china?I was born in Beijing.I came from china还是应该是:I come from china?是过去,还是现在.为 什 么

I came from china还是I come from china?I was born in Beijing.I came from china还是应该是:I come from china?是过去,还是现在.为 什 么 I am/come from 还是I was/came from? I'm a student came from china 错了吗 I _____(think) he came from China.这个空格请问是用think还是thought?请说明为什么? I thought he came from China.为什么是came 我想comes也可以吧? I ( be )( ) from china. i什么 from China I come from China.正确,还是I'm come from China 正确,为什么? I am from China.变成一般疑问句是Am I from China?还是 Are you from China? I came home from work, Kangkang and I ( ) from China I and he ( )from China I'm from China.急用 ------are you from?I'm from China. I just came back from the airport DO you come from china 回答A No,i am an American Chinese B Yes ,i came from Beijing yestery选哪个选项好啊 说明为什么 是i came,i saw,i conquer还是i came,i saw,i conquered? I am from China.的同义句是I am a Chinese.还是I am Chinese.还是都行