@转换:He didn't go to bed until he finished his homework last night.是要改until～可以将它换成before吗?要两句,呢还可以换成：He got to bed when to he finished his homework last night.或者是He got to bed until he finished his homework last night.
人气：336 ℃ 时间：2020-01-28 04:10:00
解答
He didn't go to bed before he finished his homework last night.He went to bed when he finished his homework last night.He went to bed after he finished his homework last night.he went to bed after fin...
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