VII. Choose the best answer.
1.Scientists are looking for an…….way to reduce energy consumption.(effect/effecting /effective/effectively)
2.I suggest ………money for the poor in our village. (save/to save/saving/saved)
3. Solar energy doesn’t cause......... ( pollution/polluted/pollute/unpolluted)
4. Who looks................... your children when you are away from home?(for /at /after /to)
5. He shouted and looked.................. at me when I broke the vase.(angry/angrily/angrier/ angried)
6. Everyone must take part in.............. deforestation.(to prevent/prevent/preventing/prevented)
7. I’m very.......... that I will go to Dalat tomorrow.(excited/ excite /excitedly/ exciting)
8. He is tired............ he stayed up late to watch TV.(so/but/and/because)
9. If Ba................ rich, he would travel around the world( is/was/will be/were)
10. We are saving money......... we want to buy a new house. (so/because/but/ and)