初三英语改错The Greens likes travelling very much,Last summer,they

初三英语改错
The Greens likes travelling very much,Last summer,they went to visit the South America.They started their trip in the thick forest there,They can't travel through the forest by road,because there were not any roads.So they had to travel with boat.They were enjoyed their boat trip very much.At night they tied the boat to big tree by the river bank nar a village.His guide bought some food from the villages and they cooked them themselves.To tell the truth,the trip was a bit danger,but they really enjoyed it.
有十处错误,但我找不到
1.they went to visit the South America.went to与visit重复了
2.They can't travel through the forest by road can't改为couldn't
3.travel through 改成go through
4.They were enjoyed their boat trip very much.把 were去掉
5.and they cooked them themselves.改为by themselves
6.the trip was a bit danger.danger改为dangerous
另外错误在哪里呢