He spent an hour the room
A to finish cleaning B to finish to clean C finishing cleaning D finished cleaning
spend 时间 in doing sth 我懂 那么就是C了 但是 如果A选项的目的状语 他花费1小时去完成打扫房间
可不可以呢
人气：262 ℃ 时间：2020-04-08 12:29:07
解答
C
spend doing
finish doing
spend ...finishing doing
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