The Incas _____(prove) to be great at building things.
问题描述：
The Incas _____(prove) to be great at building things.
答
prove(这说明)印加人擅长建筑prove (oneself) sth be seen or found to be sth; turn out to be sth 显现出是某事物; 被发现是某事物:The old methods proved best after all.采用老方法结果反而是某事物最好.* The ...为什么不是被动呢？为什么是被动呢?你仔细看我贴出来的东西prove:sth be seen or found to be sth; turn out to be sth 显现出是某事物; 被发现是某事物: prove天然就有被动的意思.你要仔细想想汉语和英语的区别不明白就多看看英英字典.看看英文解释.有的汉语解释太简单,不能直接看出来主被动用法