假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌的以下作文。文中共有10處語言錯誤。錯誤涉及一個單詞的增加、刪除或修改。
增加：在缺詞處加一個漏字符號（∧），并在其下面寫出該加的詞。
刪除：把多余的詞用斜線（\）劃掉。
修改：在錯的詞下劃一橫線，并在其下面寫出修改后的詞。
注意：1.每處錯誤及其修改均僅限一詞；
2.只允許修改10處，多者（從第11處起）不計(jì)分。
    To build up our confidence and inspire us to make progresses，our school invited some outstanding graduates to give us a lecture last Friday.It was held in the lecture hall，lasted from 3pm to 5pm.
    During the lecture，the graduates show us how to make a practical learning plan.He also told us time management was greatly vital and balancing study and life was not to be ignored as well.Besides，they said nothing was most important than our own efforts.At last，they had expressed their best wishes to us.
    After a lecture，an old saying came to my mind：no pains，no gains.Thank to the lecture，I feel more aggressive but will spare no effort to realize my dream.