_______hismotherwasc的知识精选

_______hismotherwascookinginthekitchen,theboyfellasleep...
问题详情:_______hismotherwascookinginthekitchen,theboyfellasleepinthechair.A.Since           B.While              C.Because           D.Once【回答】B知识点:连词题型:选...
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