Fill in the blanks with appropriate word in each gap:

  Examination is very important in student's life. It justifies a student's (a)----. No student can be (b)---- to next class without examination. So, every student (c)-----  hard to pass the examination. There are many ways to do (d)---- In the examination and meritorious students follow these ways. Gathering (e)---- is not all things to approach the examination. One may gather much (f)---- about his subject, but if he cannot (g)---- his performance in the examination, his such kind of knowledge is (h)----.