----Each of the students, working hard at his or her lessons, to go to university.
-----So do I.
A. hope
B. hopes
C. hoping
D. hoped
网友回答
A. hope
(答案→)B. hopes
C. hoping
D. hoped
解析：句子的真正主语是each of the students，横线处填的hopes是句子谓语，其中的working hard at his or her lessons是插入句中修饰主语的非限制性定语。