In the past three years,we learned about three thousand English words.B處learned改為have learnedB處learned改為have learned
A B C D
【考點】現在完成時.
【答案】B處learned改為have learned
【解答】
【點評】
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發布:2024/4/20 14:35:0組卷:10引用:1難度:0.7