Hoán vị gen 1 bên, hoán vị gen 2 bên là ntn? Lấy ví dụ phép lai hoán vị gen 1 bên và phép lai hoán vị gen 2 bên

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LEVEL A1 I. Choose A, B, C or D to indicate the correct answer to each of the following questions. 1. My sister sometimes helps ______ to do the housework A. me B. mine C. my D. mines 2. A good daughter is ready to share things with ______ mother. A. she B. her C. hers D. she’s 3. I usually go out with ______ friends or family on Sundays. A. mine B. me C. mines D. my 4. Some of the students in my class go to the laboratory where ______ learn chemistry and physics. A. them B. it C. they D. its 5. Mai: What is ______ favorite subject? Lan: My favorite subject is Math. A. you B. your C. yours D. you’re 6. Miss Hoa teaches English in my class. She is ______ English teacher. A. we B. our C. us D. ours 7. ______ notebook is on the table. A. I B. My C. Me D. Mine 8. They told me they would come so let’s wait for ______. A. they B. them C. their D. themselves 9. What do ______ often do after school? A. your B. yourself C. you D. yours 10. A bad friend can lie to ______. A. your B. yourself C. you D. yours 11. Can you give ______ the pen? A. mine B. myself C. mines D. me 12. That’s ______ brother. A. my B. mine C. me D. mines 13. I like fish because ______ is delicious. A. it B. its C. itself D. it’s 14. Let’s collect and give warm clothes to poor children in ______ city. A. us B. our C. ours D. ourselves 15. My brother and ______ share a bedroom. A. me B. I C. my D. mine 16. Can you tell ______ how to cook the soup? A. mine B. myself C. my D. me 17. What is ______ nationality? A. he B. his C. him D. himself 18. What language does ______ speak? A. her B. hers C. herself D. she 19. My father is angry with ______. A. I B. mine C. me D. myself 20. I ______ want to be the tallest student in my class. A. me B. myself C. mine D. my 21. She looks at ______ in the mirror. A. she’s B. she C. herself D. hers 22. He can walk to school by ______. A. him B. his C. he D. himself 23. We must continue ______ journey although there are many troubles. A. our B. us C. we D. ours 24. Your sisters can take care of ______ when you are not at home. A. them B. their C. themselves D. they 25. You should live for______, not for your parents. A. yours B. yourself C. your D. you’re

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Choose A, B, C or D to indicate the correct answer to each of the following questions. 1. The Vietnamese national team has won 2 silvers _____ 1 gold medals in the gymnastics. A. but B. and C. so D. also 2. I know that staying up late is a bad habit, _____ I can’t give up it. A. after B. before C. also D. but 3. My father is a photographer who _____ writes books. A. and B. but C. because of D. also 4. I and my friends will go out tonight, _____ I have to finish all my homework before that. A. also B. and C. so D. then 5. Maria blew out candles on birthday cake and _____ made a wish. A. then B. but C. before D. when 6. _____ Tet holiday, Vietnamese people have to buy peach blossom and clean furniture. A. And B. Then C. After D. Before 7. We can’t go mountain climbing _____ it rains heavily these days. A. because B. but C. so D. after 8. _____ tutoring a kid of my friend, I quickly came back home to prepare dinner for the whole family. A. Because B. Also C. After D. But 9. I’ll call you _____ I meet your parents in Paris. A. which B. when C. how D. why 10. Which dress do you want to buy, blue _____ red one? A. but B. or C. so D. and 11. The teacher offered an extra test _____ the last result was bad. A. for vì B. also C. before D. then 12. To protect the environment, our school started a clean-up campaign _____ planted trees on the campus. A. and B. when C. for D. so 13. Folk music isn’t popular among teenagers, _____ I still love its melody. A. so B. because C. also D. but 14. My family often drink green tea _____ we already have meals. A. before B. then C. after D. when 15. Spring rolls are kids’ favorite food _____ they’re very tasty. A. so B. after C. both D. because 16. Many foreign tourists enjoy _____ normal dishes and traditional ones. A. and B. both C. but D. then 17. Now, open your textbook _____ do the exercises on page 21. A. also B. next C. before D. and 18. First, add sugar to water and stir well. _____, squeeze lemonade in and your lemon juice is done. A. Next B. And C. For D. But 19. Remember to fasten your seatbelt _____ driving. A. before B. after C. then D. when 20. I don’t like watching animation anymore, _____ my brother is still crazy about it. A. also B. so C. but D. and

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Giúp mình vs nha 😅 cho 5 ⭐ cho câu trả lời nhanh và đúng ạ 😃