下面短文中有10处错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（﹨）划掉。
修改：在错的词下划一横线，并在该下面写出修改后的词。
注意：
1. 每句不超过两个错误；
2. 每处错误及其修改均仅限一词；
3. 只允许修改10处，多者（从第11处起）不计分。
Li Ming went to the park on last Saturday afternoon after he had already finished his homeworks. He saw several boys skate on the pond happily. Suddenly he heard a cry for help. Looked ahead, he found one of the boys falling into the water. Li Ming jumped into icy water immediately and tries to pull the boy to safety. Then the boy was given first aid but soon came to myself. The boy’s parents came soon after they accepted the phone call. They were much thankful to Li Ming, who was trembling there with cold.去掉on
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(答案→)去掉on
解析：文章讲述李明在上个星期五在公园，救了一个落水的男孩的故事。
【小题1】李明在上个星期五下午去公园。last Saturday afternoon前面不加介词：去掉on
【小题2】在完成工作以后。Homework是不可数名词
【小题3】他看见几个男孩在水池里面快乐的滑冰。See sb doing sth“看见某人做”：skate改成skating
【小题4】向前看，他看见一个男孩掉进了水里。这是现在分词做状语，因为he和look是主动关系：Looked改成 Looking
【小题5】李明立刻跳进冰冷刺骨的水里。这里特指水池里面的水。into ∧the
【小题6】他想把男孩拉到安全的地方。和jumped并列的动词，用一般过去式：tries 改成tried
【小题7】男孩被施救并很快醒过来了。两句话是并列关系，but改成and
【小题8】是男孩醒过来，myself改成 himself
【小题9】男孩的父母接到电话后赶过来。Accepted是主观接受，received是客观上收到
【小题10】他们非常感激李明。Much修饰不可数名词，这里修饰的是thankful用副词very