Exercise 1: Chọn đáp án đúng để điền vào chỗ trống (chú ý: ký hiệu “x” có nghĩa là không cần mạo từ) 1. We are looking for _______ place to spend ________ night.             A. the/the                   B. a/the           C. a/a              D. the/a 2. Please turn off ________ lights when you leave ________ room.             A. the/the                   B. a/a              C. the/a           D. a/the 3. We are looking for people with ________experience.             A. the                          B. a                 C. an               D. x 4. Would you pass me ________ salt, please?             A. a                             B. the              C. an               D. x 5. Can you show me ________way to ________station?             A. the/the                   B. a/a              C. the/a           D. a/the 6. She has read ________interesting book.             A. a                             B. an               C. the              D. x 7. You’ll get ________shock if you touch ________ live wire with that screwdriver.             A. an/the                    B. x/the          C. a/a              D. an/the 8. Mr. Smith is ________ old customer and ________ honest man.             A. An/the                   B. the/an        C. an/an          D. the/the 9. ________ youngest boy has just started going to ________ school.             A. a/x                          B. x/the          C. an/x            D. the/x 10. Do you go to ________ prison to visit him?             A. the                          B. a                 C. x                 D. an 11. ________eldest boy is at ________ college. A. a/the                      B. the/x          C. x/ a             D. an/x 12. Are you going away next week? No, ________ week after next.             A. an                           B. a                 C. the              D. x 13. Would you like to hear ________ story about ________ English scientist?             A. an/the                    B. the/the       C. a/the           D. a/ an 14. There’ll always be a conflict between ________ old and ________ young.             A. the/the                   B. an/a            C. an/the        D. the/a 15. There was ________ collision at ________ corner.             A. the/a                      B. an/the        C. a/the           D. the/the 16. My mother thinks that this is ________ expensive shop.             A. the                          B. an               C. a                 D. x 17. Like many women, she loves ________ parties and ________gifts.             A. the/ a                     B. a/the           C. a/a              D. x/x 18. She works seven days ________ week. A. a                             B. the              C. an               D. x 19. My mother goes to work in ________ morning.             A. a                             B. x                 C. the              D. an 20. I am on night duty. When you go to ________ bed, I go to ________ work.             A. a/x                          B. a/the           C. the/x          D. x/x