分类：教育/科学-学习帮助
问题：写出下列句子的同意句。1.Ithelpsyoustayfitto 
1.It helps you stay f to go in for sports.2.It is dangerous to swim in the deep sea on your own.3.Our duty is to protect the environment.4.My big problem is where to go.5.It is very important to know how to operatethe computers.
回答：1.It helps you stay f to go in for sports.Going in for sports helps you stay fit.2.It is dangerous to swim in the deep sea on your own.Swimming in the deep sea on your own is dangerous.3.Our duty is to protect the environment.Protecting the environment is our duty  4.My big problem is where to go.My big problem is where I should go.5.It is very important to know how to operatethe computers. Knowing how to operatethe computers is very important