短文改错

下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处一个漏字符号（ ∧ ），并在下面加上该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1. 每处错误及其修改均仅限一词；2. 只允许修改10处，多者（从第11处起）不计分。

    Life is complicated. We can't avoid anything annoy or stressful. However, what is of great importance is that we should keep a good state of mind.

    An experience never fades from my memory. With a vital exam drawing near, I felt such nervous that I even couldn't eat or sleep, thus make me very sleepy in class. Seeing this, my teacher comes to my help. With her aid, I adjusted myself and felt confidence again. In the meantime, a detailed plan was made go over my lessons. In the end, I managed to pass the exam.

    It was a good state of mind which helped me get through the exam. A good state of mind is what it takes to realize our goal. Whenever your emotion is out of the control, just keep in mind that only with possessing a good state of mind can you attain success.