I am student from China的同义句

I am student from China的同义句 I come from China.的同义句是?试卷上我写了I am from China.不对 I am from China.的同义句是I am a Chinese.还是I am Chinese.还是都行 I am from China （改为同义句） I come from china的同义句? 初一年级英语里面的同义句转换,哎,句子：I am from China I am a student from China.(改为同意句) I am________ __ I am from Anhui.的同义句 I am from England.的同义句 I am fourteen-years-old student 的同义句 I am first-year student的同义句是什么? I am from China 改为否定句