天津无缝方管:You are from China 改一般疑问句

You are from China 改一般疑问句 They are from China 改一般疑问句 They are from China I come from china 改一般疑问句 He is from China 改一般疑问句 He comes from China 改一般疑问句 where are you from?的中文意思? We are from China and they are from Germany.怎么改变同义句?注用We are 回答！！ Which part of China do you come from? Which part of China do you come from?什么意思?