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

10/20

We decided to reduce carbon footprints before seeing people suffer global warming consequences.

We saw people suffer global warming consequences after we decided to reduce carbon footprints.

We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Giải thích

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.