1. Solar energy……………………….by the sun. A. provide B. provides C. is providing D. is provided 2. Using electricity ………………………fish is harmful and dangerous. A. catch B. to catch C. catching D. catches 3. We all want a kind of cheap, clean, ………………………….source of power. A. safe B. effective C. available D. all are correct 4. Another kind of energy that comes from………………………is wind energy. A. the planets B. the world C. nature D. environment 5. A bulb that can save energy is a(n)……………………….bulb. A. energy-saved B. saving-energy C. energy-saving D. save-energy 6. What will you do if all the lights go……………………? A. in B. into C. on D. out 7. A label tells the…………………..how much energy efficiency each product has. A. workers B. players C. consumers D. doers 8. He suggests that we……………………early tomorrow morning. A. started B. to start C. starting D. should start 9. They didn’t understand the matter completely,……………..they didn’t want him to explain. A. and B. but C. so D. though 10. How about…………………a rest for a while ? A. take B. taking C. to take D. for giúp em với. em vote 5 sao ạ