作业帮The railway______to these small villages is no longer economic.(serve)
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The railway______to these small villages is no longer economic.(serve)
The railway______to these small villages is no longer economic.(serve)
The railway______to these small villages is no longer economic.(serve)
served
is 是句子的谓语,所以_____to these small villages 是非谓语作定语.
由于动词serve 的所修饰的名词railway 是被动关系,所以用动词的过去分词.这里过去分词短语作定语.
service, 作为服务大的概念的时候不可数，作为只某一些特定的服务的时候可数
The railway__serving____to these small villages is no longer economic.