题目内容
9.By the time he was 18years old,hehad travelled (travel) to most of the countries in Europe.分析 到他18岁的时候,他已经游历了欧洲大多数的国家.
解答 答案:had travelled
解析:根据横线前面的by the time he was 18 years old"到他18岁的时候"(过去时)可知,后面的句子该使用"过去完成时"(表示过去的过去要用过去完成时).综上,本题答案为:had travelled.
点评 本题考查单词填空,做此类题目时一定要结合句意及所给词仔细分析句子结构,确定所填词的正确形式.
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