I have been two ,summas without you

I have been working for two days. I have been two ,summas without you I have been (i ) in keeping fish for two years I have been down for two hours.句型转换 I have been down ---- ---- ----. 句型转换I have been learning English for two years I have been back to school for two I have been there （ ）（two) 括号里填什么 I have been there for two days. 是什么意思? 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 down for two hours.改为同义句I have been down ( )( )（ ）two hours. I have been offered a large sum of money to go away为什么翻译为:他们提供给我一大笔钱, 但句子明明是I have been offered. I have been watching TV for two hours.____is two hours____I watched TV. 求教I have been offered a sum of money请问这句话是不是不太通顺啊? I have been waiting for you for two hours.(对划线部分提问)----- ------have you been waiting for me? I have been offered a large sum of money 和 a large sum of money have been offered to me一样吗?第二句有语法错误吗?学蒙了,晕死了 I have been learning English for two years.=It's two years _____ I _____ to learn English. I have been in Beijing for two days.(同义句) I _____ to Beijing two days _____. 关于Have you been Have you ever been to Peking?yes,i have been there -----Athree timesBfor three timesCfor two months(我主要想问c为什么不对)