分析句子Internet firms that provide free service.
问题描述：
分析句子Internet firms that provide free service.
Internet firms that provide free services such as online searches, maps and emal save information typed in by users and sort it by unique identification numbers in the machines.
分析下句子成分及其翻译.
答
Internet firms 主语,that provide free services such as online searches,maps and email定语 save 谓语information 宾语typed in by users and sort it by unique identification numbers in the machines 定语,...