選出可以替換劃線部分的最佳選項．
---Is Mike good at math？
---No， he isn't． He did his best to study his math but he still had some trouble．（ ?。?/h1>
【考點】同義詞、近義詞．
【答案】C
【解答】
【點評】
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發(fā)布：2024/5/27 14:0:0組卷：9引用：1難度：0.8