Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

Đáp án đúng là: C

Dịch: Chúng tôi quyết định cắt giảm dấu chân carbon sau khi chúng tôi thấy mọi người phải chịu hậu quả nóng lên toàn cầu.

Questions 11-17. Choose the best answer to complete the passage

Garbage ia a (11)________ problem in the U.S. Every year, Americans produce about 308 billion pounds. A lot of the garbage goes (12) ________the landfills. But many landfills do not have room (13) ________all the garbage. One (14) ________ that one of the garbage problems is recycling. Half of all the garbage in the U.S can be (15) ________ and use again. Recycling helps the landfills problem and (16) ________ enough energy too. When people recycling newpapers, they save (17) ________ When they recycling glass, plastic, or cans. They save oil and eceltricity. Recycling is good for everyone.