根据短文内容及首字母提示，写出所缺单词，使短文内容完整、正确。

    In my memory, there is one thing that I will never forget, which t me an important lesson.

    Last year, I did badly in an exam and got a low mark. Being a of being punished by my parents, I told them I got a high mark. However, when my father attended the parents' meeting, he knew the t. It was strange that he didn't shout at me but talked with me p, Finally, I admitted my mistake and made up my mind to study hard.

    From the thing I know it's wrong to tell l. As students, we should try our best to study hard to get high marks instead of cheating (欺骗) parents.