During the next few days，I decide to have a good _______ by taking a walk or seeing a movie．I really need to relax．（　　）

Confucius （孔子） is also very famous in many Western countries because he taught people to be _______ to others first．（　　）

In our life，we need to _______ those people who help us，such as our parents，teachers and friends．（　　）

I am really proud of my group _______ we're always discussing and sharing study secrets together．How important the group work is!（　　）

The earth is the planet _______ provides us with everything we need，fresh air，clean water and so on．It's our duty to protect it．（　　）