BÀI TẬP WORDFORM (Cont 3)

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

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

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

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

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

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

(a)  

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

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

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

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