假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文，文中共有10处错误，每句中最多有两处。每处错误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：1).每处错误及其修改均仅限一词；
2).只允许修改10处，多者（从第11处起）不计分。
Mary has been award the title of “Star Student of the Week” for what she did for our class. In the hot afternoon of last Saturday, Mary went downtown and walked from one store to another, looked for the costumes we would wear in the singing contest. While the rest of us were enjoying our leisure times in comfortable classrooms, she spent the whole afternoon searching for and selecting. Finally, she finds the right clothes. Deep moved by her efforts, we tried our best and won first prize in the contest. Mary is warm-hearted so cares about the class. She deserves the honor and we should learn from him.
