英语翻译

题目

英语翻译
As we know,doys can be wsed _____a house as soldiers in_______old and woolern______geese hare been wsed to give waming by _____a lot of noise _____an enemy comes near.But it maybe _____to train animal to work in factorise.

答案

As we know,dogs can be used （to guard） a house as soldiers in （both） old and modern （times）.Geese have been used to give warning by （making） a lot of noise （when） an enemy comes near.But it ...