I have been in china six months等于 （ ）（ ）six months since I came to china

i have been studying history 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 been to China for two years.为什么要改成I have been in China for two years? I have been teaching English in China for 5 years 与I have taught English in China for 5 yearsI have been teaching English in China for 5 years I have taught English in China for 5 years分别 I have been in. How long have you been in China? Yes.I have been in China many places in many occassions I have been in china six months等于 （ ）（ ）six months since I came to china I have been in China for 10 years 画 for 10 years 划线部分提问 这句话如何翻译：I have been in China for two years. I have been in china for two years.这句子哪儿错了急 long time to see.i have been in China one months.哪些语法错误? I have been in China for a few days这句语法错在哪里啊? -___ you _____ China for a ling time -Yes ,I came here three years ago.A.Have ; been toA.Have ; been to B.Have; been in 1. I have been teaching English in China ___since I came to Beijing in 2005___(就画线部分提问) 讲原因.Jane,can you speak chinese?Yes I （ ）china for about 3years.A have been in B have been to C have gone to I have been there,have been 是have been in还是have been to的缩写?