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题目内容
（兰州大学大学英语（4）课程作业）
When Harry arrived home after a hard day at work, ______________.
A. his wife slept
B. his wife has slept
C. his wife was sleeping
D. his wife has been sleeping
A. his wife slept
B. his wife has slept
C. his wife was sleeping
D. his wife has been sleeping
参考答案
