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[主观题]
When I arrived home after a hard day at work, my wife __________.A) was sleeping
When I arrived home after a hard day at work, my wife __________.
A) was sleeping
B) had been sleeping
C) slept
D) has been sleeping
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When I arrived home after a hard day at work, my wife __________.
A) was sleeping
B) had been sleeping
C) slept
D) has been sleeping