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题目内容
（华北水利水电大学英语）
I was worried about my parents all the time, but at last I got the letter I ________ . ( )
·had long beeexpecting
·were long expecting
·had long beeexpected
·have long beeexpecting
·had long beeexpecting
·were long expecting
·had long beeexpected
·have long beeexpecting
参考答案
