更正一楼一些错误,总共十处错误!
具体情况如下：
Now I'd like to tell you (改成something that took 或 something taking) place in my school yesterday. In the afernoon we (去掉 are) all held together for our 18-(year)-old birthday. At (去掉the) first we promised that (like改成as) grown-ups we should be responsible for our society. Then we expressed (thank改成thanks) to our parents who experienced hardships to bring us up and our teachers who educated us heart (or改成and) soul. And our teachers also gave (去掉to) us cards expressing (our改成their) good congratulatins and wishes to us. Firnally, we put on (wonderfully改成wonderful) performances.