Chọn đáp án

----- Nội dung dịch tự động từ ảnh -----
3. Natural sources of energy are energy from
B. the sun
A. wind
C. water
D. the sun, wind, water
4. The word "abundant" in the passage is closet in meaning with.
A. plentiful
5. We are asking the question, "What will happen when there is no oil, coal, and gas on the
earth?" because
A. we are now depending so much on oil, coal, and natural gas
B. other sources of energy can come from the sun, wind, and water
C. we are looking forward to seeing great changes
D. we are looking for other alternative sources of energy
B. limited
C. natural
D. necessary