题目内容：

每处错误仅涉及一个单词的增加，删除或修改。增加：在缺词处加一个漏字符号（∧）, 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，并在该词下面写出修改后的词。

注意：每句只有一处错误多改不计分。

Eric and Sophie were neighbors. One day they were play together. Eric has a collection of marbles(弹珠) while Sophie had some sweets with him. Eric told Sophie what he would give her all his marble in exchange for her sweets. Sophie agreed. Eric kept the biggest and most beautiful marble aside and gave rest to Sophie. Sophie gave all her sweets for him as she had been promised. That night, Sophie slept peaceful. But Eric couldn't sleep as he kept wonder if Sophie had hidden some sweets from him the way he had hidden his best marble.