BÀI TẬP WORDFORM (Cont 3)

1. This energy-__________ bulb is not cheap. (save)

2. The __________ are requiring us to repair the machines. (consume)

3. Watching Korean films on TV is a time-__________ activity. (consume)

4. Water __________ is increasing this summer. (consume)

5. The __________ of the model attracts us. (efficient)

6. They are working __________, so we are __________. (effect / satisfy)

7. Life always needs a lot of __________. (innovate)

8. The __________ are cleaning the beach. (conserve)

9. __________, our environment must be protected. (ultimate)

10. Tet is the most important __________ in Vietnam. (celebrate)