it是 形式宾语啊,真正的宾语是后面的动词不定式.
其实it后面省略了to be,加上了之后是不是好理解了呢,你可以把句子还原成这样:they thougut it to be their duty to keep eric in hiding.或者they thought to keep eric in hiding to be their duty.
怎么样,理解了吧,
it是 形式宾语啊,真正的宾语是后面的动词不定式.
其实it后面省略了to be,加上了之后是不是好理解了呢,你可以把句子还原成这样:they thougut it to be their duty to keep eric in hiding.或者they thought to keep eric in hiding to be their duty.
怎么样,理解了吧,