He had been warnedhad been warned(warn) many times,but it didn't work.
【考點】過去完成時;過去完成時的被動語態(tài).
【答案】had been warned
【解答】
【點評】
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發(fā)布:2024/12/16 23:1:50組卷:0引用:1難度:0.7