III. Choose the best answer to complete the sentences. (15 points) 21. When_______ a dictionary, you need to be able to understand the symbols and the abbreviations it contains. A. having used B. use C. to use D. using 22. How can I know_______ book is yours? They are so alike. A. what B. which C. this D. the 23. _______ Paul brings the money for lunch, well go right down to the cafeteria. A. Since B. As soon as C. Now that D. Until 24. If I_______ you, Id take some rest before the game tomorrow. A. am B. could be C. were D. would be 25. You have never been to Nha Trang, _______? A. have you B. havent you C. you have D. you havent 26. She will visit us as soon as she arrives_______ Paris. A. at B. in C. on D. to 27. The smaller the room is, the_______ furniture it needs. A. fewer B. smaller C. more D. less 28. The secretary to_______ I talked didnt know where the meeting was. A. which B. who C. that D. whom 29. I find the time of English meals very strange. Im not used_______ dinner at 5 p.m. A. to have B. to having C. having D. have 30. I have to be present at eight oclock and so_______. A. are you B. have you C. do you D. you do 31. If only I_______ play the guitar as well as you! A. would B. shall C. could D. might 32. The party, at_______ I was the guest honor, was extremely enjoyable. A. which B. that C. who D. where 33. Trung swims very well and_______ does his brother. A. also B. even C. so D. neither 34. _______ people go to soccer matches now than twenty years ago. A. Less B. Lesser C. Fewer D. Few 35. Its_______ long time since he last saw his grandparents A. such a B. so C. very D. too