第33题: [填空题]Only after he had failed his oral test _________________________ (他才逐渐意识到练习的必要性). 参考答案:did he come to realize the necessity of practice 答案解析:[解析] ①考查倒装结构,only放句首时,句子要用部分倒装结构。②coma to realize意为“逐渐意识到”。“……的必要性”可译作the necessity of sth./doing st