B
這里指be in the army"在部隊(duì)（服役）”這個(gè)狀態(tài)持續(xù)多久
C 肯定錯,因?yàn)橹髡Z是“他”,他是軍隊(duì)?!顯然不對.如果把C 改為 【has been a soldier"是個(gè)士兵“】就對了!
He____for three years A)has joined the army B) has been in the army C) has been an army
He____for three years A)has joined the army B) has been in the army C) has been an army
這題為什么選B不選C呢?
這題為什么選B不選C呢?
英語人氣：156 ℃時(shí)間：2019-09-03 21:45:07
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