题目内容

1．It was two months before the young manmastered （master） the skill of running the machine introduced from Germany．

分析 过了两个月这位年轻人才掌握了操作引进自德国的机器的技能．

解答 答案：mastered
解析：根据题干提示可知，本题考查：it is/was+一段时间+before"过了一段时间才…"这一固定句型．在该句型中从句的时态与主句保持一致，故根据括号内所给提示可知本题答案为mastered一词．

点评 本题考查单词填空，做此类题目时一定要从语法、句意、固定搭配、时态等各个方面仔细分析题干；再结合所给提示确定最终答案．

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