问题描述：
He___until he finished his homework?
A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!
A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!
问题解答：
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