Mark the letter A, B, C or D on your answer sheet to indicate the correct option to fill each of the following spaces. 11. We can reuse: ______ * 5 điểm A. water B. air C. noise D. bottles 12. Turn ______ the lights when you go out. * 5 điểm A. of B. off C. on D. up 13. What does REUSE mean ? * 5 điểm A. using sth again B. using sth less C. using sth more D. collect sth 14. What does REDUCE mean ? * 5 điểm A. using sth again B. using sth less C. using sth more D. collect sth Mark the letter A, B, C or D on your answer sheet to indicate the most meaningful sentence written from the given words. Question 15-16 -17 15. Will/ robots/ clean/ house/ future? * 5 điểm A. Will robots to clean our house in the future? B. Will robots cleaning our house in the future? C. Will robots clean our house in the future? D. Will robots be clean our house in the future? 16. . My/ future/ house/ be/ mountain. * 5 điểm A. My future house be in the mountain. B. My future house will be in the mountain. C. My future house are in the mountain. D. My future house was in the mountain. 17. What/ type of house/ you/ want/ have? * 5 điểm A. What type of house did you want to have? B. What type of house does you want to have? C. What type of house are you want to have? D. What type of house do you want to have?