1 . If you’re on a tight b________, you could consider borrowing one from library when you need an expensive textbook. （根据首字母单词拼写）

3 . He ________ (呼吸) deeply and went on with his work. （根据汉语提示拼写单词）

4 . Taking exercise such as playing tennis in the gym at least once a week is b________ to our health. （根据汉语提示单词拼写）

5 . The little boy’s good b______ was completely beyond comprehension. (根据首字母单词拼写)

6 . With butterflies in my stomach,I b________ deeply.“Hi,I’m Meng Hao.”Everyone started laughing. (根据首字母单词拼写)

7 . When I got to the top of the hill, I was out of ________(breathe). （所给词的适当形式填空）

8 . His________(behave)shows his lack of consideration for others. (所给词的适当形式填空)

9 . Exercise is highly ________(benefit) to health. That’s why we should attach importance on exercise. (所给词的适当形式填空)

10 . I take delight in helping others, which is b________ to others as well as myself.(adj. having a good effect) （根据首字母单词拼写）