1. Many people still refuse to believe that smoking is ___ ___. (harm)
2. The task we are dealing with is __ ____complicated. (extreme)
3. We’ll live a happier and ___ ___ life if we keep our environment clean. (health)
4. A(n) _ __ is a person who is concerned about the natural environment and wants to improve and protect it. (environment)
5. These days beaches are covered with _____ ____. (pollute)
Loga
Sinh Học lớp 12
