短文改错

此题要求改正所给短文中的错误．对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：

该行多一个词：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．该行缺一个词；在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词．该行错一个词：在错的词下画一横线，在该行右边横线上写出改正后的词．

注意：原行没有错的不要改．

One day, Hans came into a pet shop(宠物商店) carrying a parrot(鹦鹉) in his cage.

At our school, we sometimes have a special day to help others. Last year we went to an old people's home and sang songs and performed a play for them.    1.   We should be allowed to take time to do things like that more often.   2.  I want to be a teacher when I'm older, so it would be a great experience for me.    3.   . For example, my friend Tian Ge wants to write for a newspaper. She should be allowed to volunteer at the newspaper office once a week.    4.     Some students should be allowed to have Friday afternoons off to volunteer and help others.

A.   On Friday afternoons, many students are sleepy after along week of classes.

B.   For example, we should visit primary schools and help teach young students.

C.   The old people were very happy.

D.   Other students would like to do other jobs.