I have beenin China怎么变一般疑问句

I have beenin China怎么变一般疑问句 i have been studying history in china I have just arrived in China为什么要加 have i have just arrived in china为什么加个have Yes,I do...I have recipes from China,too. But now I have n___ friends in China.So I want a pen friend in China I wish you come to China and have a great I with you come to China and have a great 连词成句：have got China from some I stamps ) I have some good news in China.英语填空 learned,about China,a lot,I,have,the Internet,from I have a pen pal in China变否定句 I have ___ a lot about the population in China. I have been studying history in china 如何翻译 i have been studying history in china 的语法要点 I have got many stamps from China.变成疑问句 英语翻译I have never been to any falls outside China I am a seller from China,and have web site.