1.She ___________________yet. Where can she be now? A. hasn't arrived B. has arrive C. have arrive D. haven't arrived Câu 2. Peter has worked in the same office ___________ he was twenty-six years old A. for B. since C. ever D. never Câu 3. When are you ________ vacation with your family, Anna? A. by B. on C. with D. to Câu 4. My cousin ________ a motorbike since he was 18. He loves it! A. rode B. is riding C. rides D. has ridden Câu 5. Remember to turn _________ the light when leaving the office A. off B. on C. down D. in Câu 6. Thirty minutes of exercise a day is enough _________ A. to you for staying healthy and keeping fit B. to you to stay healthy and keep fit C. for you to stay healthy and keep fit D. for you for staying healthy and keeping fit Câu 7. The woman hasn't tried Mexican food_______________ A. ever B. since C. yet D. for