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chauthanha3
2 năm trước
bài 1: tìm số nguyên a sao cho: a) a+5 chia hết cho a-2 b) 3a chia hết cho a-1 c) 5a-8chia hết cho a-4 d) a mũ 2+a+2chia hết cho a+1 bài 2: tìm số nguyên n sao cho: a) 4n-3 chia hết cho n b) -13 là bội của 2n-1 bạn nào giải đc mình cho 5 sao
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1. Astronauts……………..in their spaceship, but they frequently work outside now. A. were used to stay B. used to stay C. were staying D. had used to stay 2. People……….that the earth is round before. A. were not used to believe B. used to believing C. would not use to believe D. did not use to believe 3. Tuberculosis……..incurable before. A. use to be thought B. used to be thought C. used to think D. use to think 4. Formerly babies ……………….of whooping cough. A. have died B. used to die C. would die D. both B and C 5. These city girls are used…………….. in the field. A. to work B. used to lie C. would like D. to working 6. Newton………….scientific books when being a boy. A. used to read B. has read C. had read D. bad been reading 7. I am sorry I am not……………….fast. A. used to drive B. used to driving C. use to drive D. use to driving 8. Frank used to work in a small shop. He ................. A. doesn’t any more B. still does C. is now D. had never done anything else 9. I ……………..in Jakarta. I’ve lived here all my life. A. am used to living B. used to living C. use to live D. am used to live 10. Jane………………..for the telephone company, but now she has a job at the post office. A. used to working B. used to work C. is used to working D. am used to work 11. This work doesn’t bother me. I……………………..hard. I’ve worked hard all my life. A. used to working B. used to work C. am used to working D. am used to work 12. Dick……………a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it. A. used to having B. is used to having C. was used to having D. used to have

REVIEW I/ Unscramble 1/ ouseh……………………………………………......................................................... 2/ ondp………………………………………………………………………………….. 3/ deboomr………………………………………………………………………………. 4/ kithenc……………………………………………………………………………… 5/ graend………………………………………………………………………………… 6/ yadr……………………………………………………………………………………. 7/ athbrmoo………………………………………………………………………………. 8/ gaet……………………………………………………………………………………. 9/ dinign oomr……………………………………………………………………………. 10/ rtee……………………………………………………………………………… 11/ fraeht 12/ graondmethr 13/ roebrht 14/ sierts 15/ dranfergath 16/ hteorm 17/ amn 18/ etchera 19/ owamn 20/ iendrf II/ Write number into letter 1/ 20 + 30 = fifty 2/ 15 + 14 = 3/ 8 + 4 = 4/ 19 + 22 = 5/ 9 + 31 = 6/ 42 + 54 = 7/ 58 + 19 = 8/ 63 + 6 = 9/ 75 + 24 = 10/ 86 + 13 = III/ Circle the right answer 1. Who is this? – “………….. .” A. It’s a pen B. It’s my father C. He’s boy D. This is a family 2. He is my .................................................. A. father B. mother C. grandmother D. woman 3. ....................is my mother. A. He B. SheC. ItD. I 4. Is this your mother? A. Yes, it is B. Yes, she is C. No, it is D. No, she is 5. ………. is your name? – My name’s Mr Brown. A. Who B. How C. What D. How old 6/ This is my brother. ......................is four years old. A. SheB. HeC. ThisD. That 7/ ..................................is your pen? A. What B. HowC. What colourD. How old 8/ My notebooks ..........................white. A. areB. isC. amD. play IV/ Underline and correct the mistake.( gạch chân lỗi sai và sửa lại cho đúng ) 1/ Mrs Lan is my grandfather. 2/ He is my sister. 3/ This man is my mother. 4/ That woman is Mr Long. 5/ These is a house. 6/ It’s very nine. 7/ It there a kitchen in the house? 8/ How old is you? 9/ He is ten year old. 10/ Yes, there isn’t.

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