tiếng anh cuối hk1: nd1 preposition /trang3

1.we should invest (a)   renewable energy sources to protect the en vuronment

2. Doctors should focus (a)   preventative care to reduce healthcare costs

3.our health depends. (a)   the quality of the air we breathe

vaccinations prevent children (a)   getting certain diseases

5.Laws are in place to protect endangered species (a)   poaching

6.communitiesbenefit (a)   clean air policies that reduce pollution

7.regular exercise contributes (a)   overall well-being. and health

8.poor sanitation can result (a)   the spread of diseases

9.communities near industrial areas often suffer (a)   pollution-related issues

10.the company takes pride. (a)   providing excellent customer service