Use the correct form of the word given to complete each sentence.
1. Many people still refuse to believe that smoking is _________. (harm)
2. The task we are dealing with is __________complicated. (extreme)
3. Well 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
