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Bài 10: Tìm số nguyên x để biểu thức nhận giá trị nguyên c) 3-5x/2x+1 d) 2x/1-x
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Exercise 7: Put the verbs in brackets: past simple or past continuous. 1. I (go) down the street when it began to rain. 2. At this time last year, I (attend) an English course. Giaoandethitienganh.info 3. Jim (stand) under the tree when he heard an explosion. 4. The boy fell and hurt himself while he (ride) a bicycle. 5. When we met them last year, they (live) in Santiago. 6. The tourist lost his camera while he (walk) around the city. 7. The lorry (go) very fast when it hit our car. 8. While I (study) in my room, my roommate (have) a party in the other room. 9. We (sit) in the café when they saw us. 10. I (call) Mr. Wilson at 9 last night, but he (not be) at home. He (study) at the library. Exercise 8: Put the verbs in brackets: past simple or past continuous. 1. I (not hear) the thunder during the storm last night because I (sleep) 2. It (be) beautiful yesterday when we (go) for a walk in the park. The sun (shine) The birds (sing) . 3. My brother and sister (talk) about something when I (walk) into the room. 4. Tom (go) to his friend’s house, but the boys (not be) there. They (play) soccer in the vacant lot down the street. 5. The little boy (fall) asleep while his mother (read) him a story. 6. I really (enjoy) my holiday last January. While it (snow) in Iowa, the sun (shine) in Florida. 7. While Ted (shovel) snow from his driveway yesterday, his wife (bring) him a cup of hot chocolate. 8. John (have) a car accident last week. He (drive) down the street when suddenly a lorry (hit) his car from behind. 9. Ten years ago, the government (decide) to begin a food programme. At that time, many people in the rural area (starve) due to several years of drought. 10. They (wait) for me when I (arrive) at the station. Exercise 9: Put the verbs in brackets: present perfect or present perfect continuous or past perfect. 1. I never get up from the table before others (finish) . 2. It is already 9:30 pm and I (wait) here for over an hour. If John does not get here in the next five minutes, I am going to leave. 3. Did you hear that Ben was fired last month? He (work) for that import company for more than ten years and he (work) in almost every department. 4. I (see) many pictures of the pyramids before I went to Egypt last summer. Pictures of the monuments are very misleading. The pyramids are actually quite small. 5. Sarah (climb) Mount Everest, (sail) around the world, and (go) on safari in Kenya. She is such an adventurous person. 6. Susan (climb) Mount Everest, (sail) around the world, and (go) on safari in Kenya by the time she was twenty-five. She (experience) more by that age than most people do in their entire lives. 7. Before my trip to Paris two years ago, I (never be) to France. 8. When we finally stopped him, the squirrel (already eat) five cookies. 9. Ben (try) to open his own restaurant for the last few years. He (just finish) the painting, but he (not do) the decorating yet. 10. You look tired. How long (run) ? Exercise 10: Put the verbs in brackets: past perfect or past perfect continuous. 1. By 9 o'clock, we (finish) our homework. 2. By the end of the month I (live) in this town for ten years. 3. By the end of this week we (work) on the project for a month. 4. They (leave) the classroom by the end of the hour. 5. By July the fifth they (study) English for 3 years. 6. By 10 o'clock she (watch) TV for 4 hours. 7. She (sleep) for 10 hours by 11 o’clock. 8. We (go) home by next week. Giaoandethitienganh.info 9. We (look for) him for 40 days by next Saturday. 10. She (return) from the excursion by 6 o’clock. 11. (buy/ he) the new house by October? 12. They (wait) for the president for 5 hours. 13. The sun (not/ rise) by 4 o’clock. 14. (you/ do) the shopping by 3 o’clock? 15. By 2018 we (live) in Madrid for 20 years. ( e đag rất gấp ạ)

The Vietnamese students take part in different after - school activities. Some students play sports. They often play soccer, table tennis or badminton. Sometimes they go swimming in the swimming pools. Some students like music, drama and movies. They often practice playing musical instrument in the school music room. They join in the school theater group and usually rehearse plays. Some are members of the stamp collector‟s club. They often get together and talk about their stamps. A few students stay at home and play video games or computer games. Most of them enjoy their activities after school hours. 1.Which sports do some students often play? 2.How often do they go swimming? 3.Where do some students often practice playing musical instruments? 4.How often do they rehearse plays? 5.What do the members of the stamp collector‟s club often do? 6.Do Vietnamese students enjoy their activities?

Ex V. Fill in the gaps with the correct form of the word in brackets 1. Children are recommended to eat more seafood as it helps them build ……………. bones. (HEALTH) 2. The boy shouldn’t watch horror films or …………… TV programs as he often has nightmares. (FRIGHTEN) 3. The press came to the presentation with a view to collecting ………………….. (INFROM) 4. ……………….., over ninety percent of the damage caused by fire rather than by the collapse of the buildings. (CONSEQUENT) 5. The increasing number of the ……………… of the city has pose some serious problems. (INHABIT) 6. Our training group ……………… increased as more people joined in yesterday morning. (GRADUAL) 7. It is not difficult to make some …………….. about the future development of the economy. (PREDICT) 8. The concert ………………. takes place in the city hall where many local citizens come to see this time of the year. (NORMAL) 9. The Internet is one of many ……………. in our modern life and it brings us enormous benefits. (INVENT) 10. With all forms of exercise, it is important to start slowly and build up …………….. (GENTLE)

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