By the time l went to bed last night,Tom▁▁asleep.(fall)
问题描述:
By the time l went to bed last night,Tom▁▁asleep.(fall)
答
had fallen by +过去时间,用过去完成时.
By the time l went to bed last night,Tom▁▁asleep.(fall)
had fallen by +过去时间,用过去完成时.