A rescue worker risked his life saving two tourists who had been trappedhad been trapped(trap) in the mountains for two days.
【考點】過去完成時;過去完成時的被動語態(tài).
【答案】had been trapped
【解答】
【點評】
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發(fā)布:2024/12/5 19:30:2組卷:125引用:16難度:0.8
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