Mary learned chinese for about two years,-----is ,from 1993

have learned English for about two years 的被动语态 15Mary ___(studys)Chinese for two years. 把下面句子改为被动句I have learned English for about two years English He has learned English for about two years.(对划线部分提问) 把下列句子改成被动语态：I have learned English for about two years Mary has come back from China______.A.for two years B.since ______ long have you studied Chinese.—For about two years.用w We learned English for more than two years. 英语翻译We have learned English for two years.（改为同义句）Two years _ MARY IS 12 YEARS OLD .TWO YEARS AGO , We have learned English for nearly two years 对for nearly two -I haven't seen Hu Ming for about two years. Where is he now