1 . People are concerned about the quality of the air they________ (呼吸)．(根据汉语意思单词拼写)

2 . It is of great importance to keep a b___________ and healthy diet.

3 .
1. ___________ (run) can work the m____________ of your legs.
2. It is said that Yoga is ________________ great b_____________ to human health.
3. He saved the ________________ (溺水)boy from the lake, otherwise, he would have been ___________ (淹死).
4. I’m ____________ busy that I can’t help _____________ (wash) the dishes now.
5. You can’t drive on road ___________ you have passed the driving test and have a _______________ (permit)

4 . The only way to succeed at the highest level is to have total b____ that you are better than anyone else on the sports field.

5 . The b________ played while we danced. （根据首字母单词拼写）

6 . Smoking is b________ in some public places, such as on the bus and at the cinema. (根据首字母单词拼写)