How often do you go to the ____________ ? * 1 điểm A. librarian B. librarians C. library D. librarianship 2. These products are ____________ friendly. * 1 điểm A. environment B. environmental C. environmentally D. environmentalist 3. Friends of the Earth shows people how to protect the ____________ . * 1 điểm A. environment B. environmental C. environmentally D. environmentalist 4. People bring the used cans for ____________. * 1 điểm A. recycle B. recyclable C. recycling D. recycled 5. Compost is a wonderful ____________. * 1 điểm A. fertile B. fertilize C. fertilizing D. fertilizer 6. Instead of ____________ plastic bags at all, we should use cloth bags. * 1 điểm A. use B. uses C. reuse D. reusing 7. They ____________ household and garden waste to make compost. * 1 điểm A. collect B. collector C. collective D. collection 8. I am ____________ that you passed an exam. * 1 điểm A. pleasure B. pleased C. please D. pleasantly 9. The country's ____________ resources include forests, coal and oil. * 1 điểm A. nature B. natural C. naturally D. unnaturally 10. Reduce means not buying ____________ which are over packaged. * 1 điểm A. product B. products C. production D. produces