Theyhadahardtime,withbothhand

发布时间：2020-07-28 03:40:24

They had a hard time, with both hands ________ behind and ________ in the small room.A.tied; lockedB.tying; lockedC.tied; lockingD.tying; locking

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A解析with复合结构，用过去分词表被动。
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