1 . Some drugs kill off useful _________ (细菌) in the user’s body. (根据汉语提示单词拼写)

2 . It is healthier to keep a __________(平衡的) diet every day. (根据汉语提示单词拼写)

3 . I picked up a few good ________ (便宜货) in the sale. (根据汉语提示单词拼写)

4 . We should try to keep a ________ (平衡) between work and play. (根据汉语提示单词拼写)

5 . I was_______(咬) in the leg by a mosquito

6 . From our point of view, we do not see how these changes will be _______（有益） to the company.

7 . It can be ________ (有益的) to share your feelings with someone you trust. (根据汉语提示单词拼写）

8 . When something can help people or improve their lives, we say it is ________ (有益的) to people. （根据汉语提示单词拼写）

9 . When we________(呼吸),the air goes into our lungs. (根据汉语提示单词拼写)