题目内容
5. With more of his mind (concentrate) on his lessons,the boy, who was once crazy about online games,is making rapid progress.
5. concentrated his mind 与 concentrate 是被动关系,故用过去分词形式。
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题目内容
5. With more of his mind (concentrate) on his lessons,the boy, who was once crazy about online games,is making rapid progress.
5. concentrated his mind 与 concentrate 是被动关系,故用过去分词形式。