求短文改错、答案

题目

求短文改错、答案
Dogs are one of the pet animals,most of them are liked
by people.They are very usefui.When you are in troubles,
it can heip you.For example,in the North Pole,when you
want to go out to do something,you must take a sledge pulling
by dogs.They would help you to do the things you want,
I have a little dogs at home.It's very lovely and it's only
about four month.I love it very much.When Iget home,
it will sway the tail and walk up to me.When it flees hunger,
it will bark loudly.Now it was very fat.I like dogs,
because they are too useful and lovely.
每行一个错误、.

答案

them whom
troubles,trouble
it they
正确
would will
dogs dog
month months
hunger,hungry
was is
too very