用括号里的适当形式填空There are three people in my family.They are my father,my mother and __(I)这个句子中的表语是my father,my mother还是my father,my mother and ?为什么?

问题描述:

用括号里的适当形式填空There are three people in my family.They are my father,my mother and __(I)
这个句子中的表语是my father,my mother还是my father,my mother and
?
为什么?