Each of the students working hard at his or her lessons to go to university.A. hopeB. h

问题补充：

Each of the students, working hard at his or her lessons, to go to university.

A. hope

B. hopes

C. hoping

D. to hope

答案：

A. hope

(答案→)B. hopes

C. hoping

D. to hope

解析：考查主谓一致：句意：在他班上的努力学习的每个学生有希望上大学。working hard at his or her lessons是定语修饰Each of the students，这句话缺少谓语，主语是Each of the students，谓语是单数。选B。