1 . 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。
1. My parents let me to leave my hometown.
2. Students in our class study hardly.
3. They made many spelling mistake in their exam.
4. I had many teachers the past year.
5. We heard the news which our team won the game.

2 . When a jaguar dies, a tiny army of microorganisms helps ________ ________ its body and return the nutrients to the earth. （根据课文内容填空）

3 . 下列句中各有一个错，请把错处改正。其他部分不得更动。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，在该行右边横线上写出该词，并也用斜线划掉。
修改：在错的词下划一横线，并在右边横线上写出改正后的词。
1. She said she go home that day.
2. Tom made me to work for him.
3. The house belongs Mr. Smith.
4. Usually paper is make from trees.
5. You can’t told him the answer.