题目内容
2. She must have been terribly tired last night. She without a break for over ten hours (work)
她昨晚一定非常累。她已连续工作了十个多小时。
2. had been working前文是对过去某情况的推测,显然work之动作发生在疲劳之前,且一直持续,因此用过去完成进行时态。
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2. She must have been terribly tired last night. She without a break for over ten hours (work)
她昨晚一定非常累。她已连续工作了十个多小时。
2. had been working前文是对过去某情况的推测,显然work之动作发生在疲劳之前,且一直持续,因此用过去完成进行时态。