He has been here for __.A.two and a half monthsB.two and half a monthC.two and half monthsD.two and a half month为什么选A呢?

He has been here for two weeks改同义句He has been here ( )two weeks( ) He has been here for two weeks改同义句 He has been here since yesterday.(同义句)He has been here for ___ ___.one day 还是 two days He has been away from here for ten years同义句转换为：He has been away from here_______ten years___ he came here in 1980.he has been a teacher for cver ten years 时态 翻译 He s____ lives in beijing.He has been here for 20 years He has been here for two and a half year同义句 He has been here for ( )（ ）and （ ）（ ） He has been here for 2 years.（对划线部分for 2 years进行提问） He has been here ___since yesterday.___ He has been here for several hours 的同义句是什么 同义句He has been away from here for three hours He has been here for ten years.改为同义句,末尾必须是ago 现在完成时是have/has+过去是吗?he has worked here two years?he has been here for two years?一个是主动一个是被动? he has lived here for 3 years 和he has been lived here for 3 years .的区别?谁能帮我解决? —How long has the foreigner _C__ here?—He has ____ here for several hours.A arrived,come B come,got C stayed,been D got,been has tom come yet?yes he has already been here for 5 minutes填yet;already的原因 用since、 for 填空、、英语题.he's been waiting for you _______two hoursMarie has been living here _____2010The baby has been sleeping______3:00amI've been staying in Hong Kong____two weeksJohn has been studying French_____he was twelveI slep He likes lying on the lawn.He __(lie)here for forty minutes today.答案是has been lying.为什么?