短文改错。     文中共有10处语言错误，请在错误的地方增加、删除或修改某个单

I still remember my middle school life in that small town. I am then in a school for students                                                                                      1. was
from Tibet. As we all left home at a early age, we met lots of problems in our daily life. We had to                                                  2.  an
do the washing, cleaning and shopping by us . However, we seldom felt lonely or helplessly . We                                                           3.  ourselves                                            4. helpless
enjoyed our happy life. At weekends, we would play basketball, swam in the pool or go for a                                                                                                 5.  swim
picnic. We are lived in a big family. We treated each other∧brothers and sisters. If any one of us    
               6.  去掉                                                            7. as
had any difficulty with his studies, the other student would help him out. It has been five years                                                               8.    students
when we graduated, but those memories are as sweet as never before.
9. since                                                                         10. ever