8. I ________ tennis a lot, but I don’t play very often now. A. used to play B. was playing C. am used to play D. play 9. The office will be closed ________ Christmas and New Year. A. at B. before C. between D. after 10. My grandma ________ us when my parents were away from home.A. looked for B. looked after C. looked at D. looked up 6. My father ________ us to the zoo when he was alive. A. use to take B. used to taking C. used to take D. was used to taking 9.Lan ________ in Hue for ten years. Now he lives in HCMC. A. lived B. used to live C. was living D. has lived 10. It’s hard to look ________ the children all day. A. after B. before C. about D. at 11My father ________ us to the zoo when he was alive. A. use to take B. used to taking C. used to take D. was used to taking 12Lan ________ in Hue for ten years. Now he lives in HCMC. A. lived B. used to live C. was living D. has lived 13It’s hard to look ________ the children all day. A. after B. before C. about D. at II. Supply the correct word form: 1. She’s always worried about the __________ of her family. (safe) 2. Don’t leave the light on. It wastes __________. (electric) 3. This river is very __________ for swimmers. (danger) 4. Hard work always brings __________. (succeed) 5. Those clothes aren’t __________ for cold weather. (suit) 6. You must put all medicines in __________ cupboards. (lock) 7. When the ____________ failed, he used to light the candles. (electric) 8. G.B was a great _____________ of the telephone (invent ) 9. ___________, I lost my keys on the way home. (fortunate) 10. ___________,fairy changed Little Pea's rags into beautiful clothes. (magic) 11. Everyone was very ___________ after hearing that news. (excite) 12. I’ll make ____________ for the meeting tonight. (arrange) 13. Ho Chi Minh City is an important ____________ center. (commerce) 14. Michael Faraday made a lot of ____________ in the field of electricity. (invent) 15. We’re thinking of ____________ to Australia. (emigrate)16. There was an ____________ of paintings at the Art Gallery. (exhibit) 17. Thomas Watson was Bell’s ____________, wasn’t he? (assist) 18. He was ____________ in demonstrating his invention. (success) III. Fill the blanks with suitable prepositions: in, at, on, after, under, between, beside, among, out of, above, inside , downstairs . 1. There is a bus station __________ the end of the road. 2. Keep those medicines __________ the children’s reach. 3. Come __________ and sit __________ your sister. 4. D comes __________ C in the alphabet. 5. The boats sank _________ the waves. 6. Don’t shelter __________ the trees when it’s raining. 7. Please put these books __________ the bookshelf . 8. I often feel nervous when I am __________ strangers. 9.Wait a minute , please ! Don’t go ___________ . He is out . 10. My Mom isn’t there .She is ______________.