more than one example is necessary to make the students understan_英语解答

more than one example is necessary to make the students understand this rule clearly
主语是?
谓语动词是is么? 后面是什么结构
to在这里是介词么表什么?

人气：130 ℃　时间：2020-05-23 16:50:59

解答

主语是more than one example
is后是形容词necessary,后面是不定式结构
to是不定式结构,用来解释necessary