1．He has never been to the swimming pool. It is a _____________（挑战） for him to learn swimming in a month.

2．___________ （就我个人而言）I think he is a very good student, but you may not agree. 

3．He is trying to ___________ （减少）the family's expenses.

4．A person’s ______________ （性格） is very important to me when I decide who I want to work with. I like to work with the active people.

5．The life in big cities is too s____________. I prefer living in the countryside because the life there is relaxing.

6．Ben has never lost a match. He is a c______________ tennis player in many world games. 

7．My brother s____________ against the illness for two years and managed to pull through.

8．They’re no longer children, you see, they’re a__________ now.

9．The Lunar New Year is a special o______________ for family to get together in China.

10．The Opening C______________ of the 29^th Beijing Olympic Games is a real success.