điền từ thik hợp 1 Forests provide a habitat ... pollution have ... our life? 2 Endangered animals in wild arefacing a high risk ... extiction. 3 After cleaning ... everything ... the campsite, we left...

1. Forests provide a habitat where pollution has affected our life. 2. Endangered animals in the wild are facing a high risk of extinction. 3. After cleaning up everything at the campsite, we left. 4. We shouldn't cut down too many trees. 5. Avoid dumping waste into lakes and rivers! 6. Remember to turn off devices when you are not using them.