Hewassleepinglate
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问题详情:
He was sleeping late____ someone knocked at the door.
A. when B. while C. so D
【回答】
A
知识点:连词
题型:选择题
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问题详情:
He was sleeping late____ someone knocked at the door.
A. when B. while C. so D
【回答】
A
知识点:连词
题型:选择题