帮我改改这段短文的错误.
问题描述：
帮我改改这段短文的错误.
有错的话就指出,没有的话就说全对.
Last Sunday,Mr Li took our class to nuring home to visit the olds.Because we have 50 students,So we divided us into four groups.
In the nuring home,according our plan,five students played chess with the old people.ten students talked to then.15 students washed the old people's clothes.The other students were to helping clean the nuring home.At last,we were singing and dancing.We all have a wonderful day
答
Last Sunday,Mr Li took our class to a nuring home to visit the old.Because there're 50 students of us,we were divided into four groups.In the nuring home,according to our plan,five students played che...