Ⅰ.单句语法填空
1.We must do what we can (protect) the environment.
2.Hunters willingly pay the stamp price to ensure the survival of our natural (resource).
3.You don’t have to sacrifice environmental protection to promote (economy) growth.
4.She is always responsible her work and glad to help others at any time.
5.Reaching out to the community means we might be able to learn something where there is (virtual) no other way to learn it.