Global Warming

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
Global Warming
Few people now question the reality of global warming and its effects on the world's climate. Many scientists (33)_________ the blame for recent natural disasters on the increase in the world's temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (34) _________ to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (35) _________ and causing sea levels all around the world to rise.
Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (36) _________by factories and power plants, thus attacking the problem at its source. They are in favour of more money being spent on research into solar, wind and wave energy devices, which could the replace existing power stations. Some scientists, (37) _________ believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is here to stay
The word or phrase which best fits the gap (33) is...
A. give
B. put
C. take
D. have