120:to state their main idea...这个句子成份怎样分呀
问题描述：
120:to state their main idea...这个句子成份怎样分呀
120:American college students are expected to state their main idea at the begining of the paper.to state their main idea...这个句子成份怎样分呀
答
American college students (主语,其中美国和大学两个词是形容词,修饰学生,做定语）are expected（谓语,要求,希望做什么,固定用法）to state their main idea （不定式短语做宾语,意思是,阐述他们主要的想法）at the...