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_______hismotherwascookinginthekitchen,theboyfellasleep...

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问题详情:

_______hismotherwascookinginthekitchen,theboyfellasleep...

_______ his mother was cooking in the kitchen, the boy fell asleep in the chair.

A. Since             B. While                C. Because             D. Once

【回答】

B

知识点:连词

题型:选择题

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