D Word form: 1. The Internet has helped students study more (effect)......... 2.. (produce).......... now realize that(consume) ..........want ( produce)......that work effectively. 3. We can reduce the electricity (consume)...... by replacing ordinary light bulbs with energy-saving bulbs. 4. People are interested in the ( preserve)..... of woods to prevent floods 5. She was very ( worry)......about the recent water bill 6. Life always needs a lot of ( innovate)... 7. They are working ( effect)...., so we are satisfied 8. His appearance is ( need).......today. We don't need him 9. I'm ( enormous) .....grateful for your help 10. Let's have an ( electric )....repair the lights 11. They spent a ( luxury).. weekend at the beach

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