Choose the correct answer. (PHẢI GIẢI THÍCH) 1. Please go ________ with what you’re doing. Don’t look at them. A. on B. out C. away D. down 2. The new appliance does not only work __________ but also saves energy. A. effect B. effective C. effectively D. effectiveness 3. In Western countries, electricity, gas and water __________ necessities. A. was B. has been C. have D. are 4. Who will __________ the cat when you are away on business? A. look at B. look forward to C. look after D. look for 5. Does she suggest __________ some more butter? A. buying B. buys C. to buy D. bought 6. You look hot in that coat. Why don’t you _____ it _____ ? a. put / on B. put / away C. takes / out D. take / off 7. The village of the stone carving __________ near the foot of the Marble Mountain. A. lay B. lies C. lain D. laid 8. Do you like the language center __________ in the Women’s Magazine? A. advertiser B. advertised C. advertising D. advertisement 9. Don’t waste water or you will get an enormous __________ by the end of the month. A. receipt B. paper C. bill D. letter 10. Electricity is a clean but __________ source of energy. A. cheap B. expensive C. good D. useful 11. NASA has sent 11 orbiters and 8 landers to Mars__________1994. A. since B. in C. from D. until 12. While still a small child, John was very fond__________ creating new things. A. with B. at C. of D. for 13. Text messaging, or texting, is a fast and efficient way to__________ information. A. make B. collect C. receive D. exchange 14. One day, we’ll be able to send thoughts to each other directly using__________ technology. A. video conference B. social media C. telepathy D. holography 15. Italian__________ Galileo Galilei was the first person to look at the Moon through a telescope. A. astronomer B. astronaut C. archeologist D. explorer 16. James Watt thought that his steam engine__________ animal power. A. will replace B. would replace C. was replaced D. have replaced 17. __________ its proximity to the Sun, Mercury is not the hottest planet in our solar System. A. Due to B. Since C. Even though D. Despite 18. Young people__________ text their friends instead of speaking to them in person. A. prefer B. enjoy C. would rather D. would like 19. Scientists wonder__________ extraterrestrials have ever visited Earth. A. that B. if C. what D. where 20. “I believe that somewhere out in the universe, there are other forms of life.” “__________” A. Why not? B. Absolutely not! C. Me neither. D. So do I.