题目内容
句型转换
He didn't go to bed before he finished his work. (同义句转换)
He ________ ________ go to bed ________ he finished his work.
答案：
解析：
解析：
|
did, not, until |
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题目内容
句型转换
He didn't go to bed before he finished his work. (同义句转换)
He ________ ________ go to bed ________ he finished his work.
|
did, not, until |