下列句子中各有一处语言错误，请把错误改正，其他部分不得改动。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（^），并在右边横线上写出该加的词。
删除：把多余的词用斜线（\）划掉，并在右边横线上写出该词，也用斜线划掉。
修改：在错误的词下划一横线，并在右边横线上写出改正后的词。
【小题1】My parents let me to leave my hometown.
【小题2】Students in our class study hardly.
【小题3】They made many spelling mistake in their exam.
【小题4】I had many teachers the past year.
【小题5】We heard the news which our team won the game.