----- Nội dung ảnh ----- Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions
Question 13. We will get lost unless we takes a map. A. Get lost B. will C. takes D. a map Question 14. If the little girl knew how to do it, her mother will be pleased. A. little B. knew C. how D. pleased Question 15. If there will be too much exhaust fume in the air, our breathing will be badly affected. A. will be B. exhaust fume C. the air D. badly affected Question 16. If you won’t study hard, you’ll fail the exam. A. won’t B. hard C. you’ll D. the exam Question 17. If you really want to get good grades, you had to study hard. A. really B. get C. had D. hard Question 18. If you will stay in bed and take enough medicine, the flu will certainly disappear in three days. A. will stay B. in bed C. medicine D. in three days Question 19. If we will burn trash to reduce the amount of garbage, we will certainly polute the air. A. will burn B. to reduce C. the amount of D. will certainly Question 20. Nam’ll get up early if he had an alarm clock. A. get B. early C. had D. clock Question 21. If you want to his office after 10 a.m., you will see him. A. went B. after C. see D. him Question 22. If you listen to music, you can not concentrate on your works. A. if B. to music C. can not D. works