Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. Question 5. He doesn’t write to his parents as often as he ______ . A. used to B. was to C. got used to D. had to Question 6. It is worthwhile ______ those old bits of string because they could be of some use later. A. to keep B. kept C. keeping D. to have kept Question 7. Who do you think I ______ in the library this morning? A. run off B. went over C. chased after D. bumped into Question 8. You ______ me, because I didn’t say that. A. must be misunderstanding B. must have misunderstood C. must misunderstand D. had to misunderstand Question 9. Desert soil is______ without water: the soil becomes very dry and cannot produce healthy plants. A. producing B. unproducing C. productive D. unproductive Question 10. Viet Nam is one of the countries which are very rich in cultural ______ A. advantage B. heritage C. custom D. benefit Question 11. —: “My dad will be here tomorrow.” - “Oh, I thought that he ______ today.” A. comes B. was coming C. will come D. is coming Question 12. —: “________" - “I’ve lost my passport.” A. What’s the matter, Linda? B. What’s the news on TV? C. How are you today? D. You look great. Question 13. One of the most effective ways of getting ahead in life ______ A. you work hard and regularly B. having invested in personal relationships C. know how to solve problems quickly D. is to be a trustworthy person Question 14. The Dallas Theater Center presents plays in two buildings _______ was designed by the internationally renowned architect, Frank Lloyd Wright. A. which B. which one C. one of that D. one of which Question 15. I haven’t seen him again ______ he returned to Ho Chi Minh City. A. until B. since C. when D. while Question 16. He's a very _____ person because he can make other worker follow his advice A. influential B. creative C. deciding D. effective Question 17. A part-time job give me the freedom to _______ my own interests. A. chase B. seek C. pursue D. catch Question 18. Wind and water cause the ______ of soil. A. disappearance B. limitation C. erosion D. pollution Question 19. You can ______ the packet; it’s empty now. A. keep up B. turn out C. put down D. throw away GIÚP MÌNH VS !