giúp với mình hứa sẽ cho ̀ sao và cảm ơn,trả lời hay xin lun I. Choose the word whose the underlined part is pronounced differently from those of the others. 1. A. calculator B. marble C. famous D. eraser 2. A. event B. bell C. relax D. essay 3. A. bluff B. club C. fun D. junior 4. A. indoors B. school C. hoop D. shoot 5. A. equation B. education C. invitation D. dictionary II. Choose the best answer to complete these following sentences. 1. It's time______ recess. A. on B. for C. to D. at 2. He is a student ______Le Loi Street. A. at B. in C. on D. from 3. Mai learns ______to use a computer. A. what B. when C. how D. where 4. We are ______some experiments. A. making B. learning C. doing D. having 5. My brother is good ______English. A. at B. in C. with D. on 6. All the students enjoy ______on the weekend. A. to camp B. to camping C. camp D. camping 7. Nam and Hoa are in the same______. A. years old B. tall C. class D. high 8. Does Nam often play marbles ______ recess? A. on B. at C. in D. from 9. Talking is ______common way of relaxing. A. more B. most C. the most D. much 10. Blind man's bluff is a ______. A. exercise B. game C. example D. sport 11. Some students have portable CD players with small ______. A. headphones B. cell phones C. earphones D. mobilephone 12. Nam writes the answer on the ______with a piece of chalk. A. newspaper B. yard C. blackboard D. paper 13. What are you doing ,Lan? - ______planting some trees. A. I do B. I'm C. I D. I'm do 14. What's Mom doing ? - ______cooking. A. She's B. She doing C. She D. Her 15. What are Ba and Nam doing? - ______watching TV. A. They B. They're C. There are D. They do 16. Hoa receives a letter______her friend every week. A. on B. with C. at D. from 17. Hoa is the ______age as her friends. A. different B. same C. young D. as 18. They read and study ______the same time. A. in B. in C. with D. at 19. They meet their friends and ______some fun A. have B. take C. do D. make 20. They talk______their class . A. at B. on C. in D. about