they have expanded an investigation into the use of mobile device_英语解答

they have expanded an investigation into the use of mobile device.其中into the use做什么成分,

人气：498 ℃　时间：2020-07-27 03:44:10

解答

1、先划分总体结构〔主语〕they 〔谓语动词〕have expanded〔宾语〕an investigation into the use of mobile device.2、宾语是如下结构的名词短语：〔核心名词〕an investigation〔后置定语〕 into the use of mobi...