----- Nội dung dịch tự động từ ảnh ----- IV. Find the word that does not belong to each group. * (Type the answer back into the answer section just below the question) A. water B. coal C. gas D. oil 1. A. wind B. wave C. sun D. coal 2. 3. A. limited B. unlimited C. plentiful D. abundant 4. A. hydropower B. panels C. cells D. solar 5. A. unreasonable B. overpriced C. expensive D. costly 6. A. pilot B. plane C. flying D. cars 7. A. underwater B. taxi C. submarine D. ocean 8. A. man B. driverless C. pilotless D. automatic 9. A. ship C. sailor D. train B. sea
