He has__the army for ten years and is now an officer.A.gone into B.joined in C.been in D.come into请问4个选项表示什么?B为什么不行?

He has__the army for ten years and is now an officer.A.gone into B.joined in C.been in D.come into请问4个选项表示什么?B为什么不行? He was been in the army for five years 的同义句____ five years____he____the army he joined the army 3 years ago he__ ___the army for 3 years.修改一下he has___ ___the army for 3 years he has been in the army for five years同义句 it is fibe years _____ he _____ the army. 1.He has been in the army for three years?_____ _____three years since he _____the army. 保持原意：He has been in the army for about 10 years.He ( )the army 10 years ( ).SOS 同型转换 he joined the army two years ago.he(同型转换 he joined the army two years ago.he( ) ( ) ( )the army for two years.it is( )( )since he( )the army He is a s______ and he has been in the army for three years He is a s___ and he has been in the army for three years. He joined the army last year He__ __ a soldier for a year He __ __ __the army for a year 同义句型转换（英语） He joined the army ten years ago.He joined the army ten years ago.①___ ___ ten years ago ___ he joined the army.②___ ___ ten years ___ he joined the army.③He ___ ___ in the army for ten years.④Ten years ___ ___ He joined the army for five years（改错）He has been ____ ____ for 5 years. ----Who is the young man in the picture?----My brother.He has______the army for two years. 翻译“he was rejected for the army because of his bad eyesight He is likely to be denied to the army for his poor eyesight He has joined the army for ten years.和 He has been in the army for ten yearsHe has joined the army for ten years.和 He has been in the army for ten years.这两句话,哪个对?为什么? —Does Liu Hui serve in the army?—No,but he _____in the army for three years.A.served B.has servedC.is serving D.would serve Does Liu Hui serve in the army?No,but he ___in the army for three years.A.servedB.has servedC.is servingD.would serve选哪个,为什么?