在线等英语短文改错,共有十个错误.每句最多两处.

There are lots of experience in our life .The most unforgettable one for me is the speech competition holding（改为held) last year.i,m interested in English.When my English teacher told me that i had(加上been) chosen to take part in (加上the)speech competition,i devoted me（该为myself) to the preparation.i was determined to win the first prize.i was such (改为so)nervous when i stood on the stage that i forgot everything.Not until i caught a (去掉a)sight of my teacher did i calm down.Finally,i do(改为did) a good job.When i heard i got the first priza(拼写错误,应改为prize),my heart was filled in (改为with)job(改为joy) and tears rolled down.Through this speech competiting(改为competition),i understand that it is confidence which(改为that) makes people successfully.(改为successful)