题目内容
7.到目前为止,我们已经为无家可归的老人,建造了许多"老年之家".So far,wehave built many Old People′s Homes for homeless old people.
分析 have built.
解答 答案:have built.结合句意,so far表示到目前为止,也就是建造build这个动作发生在过去,一直持续到现在,对现在有一定的影响,故用现在完成时have/has+过去分词,主语we复数,故have,bulid的过去分词built.故答案是have built.
点评 当so far修饰谓语动词且表示一直持续到现在时,谓语动词通常要用现在完成时.如:So far there has been no bad news.到现在为止还没有什么坏消息. So far 50 people have died in the fighting.到现在为止,已有50人在战斗中丧生.
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