20. He’s worked for this company ......................... many years.

        A. since                                  B. for                                      C. in                            D. at

21.As soon as Martina saw the fire, she _______ the fire department

        A.  was telephoning                         B. telephoned           

        C. had telephoned                D. has telephoned

22.Every time Parkas sees a movie made in India, he _______homesick

        A. will have left                    B. felt                                                 C. feels                       D. is feeling

23.Since I left Venezuela six years ago, I _______to visit friends and family several times

        A. return                                B. will have returned

         C. am returning                    D. have returned

24.After the race _______, the celebration began

        A. had been won                   B. is won                                C. will be won           D. has been won

25.While he was washing his car, Mr. Brown _______a small dint in the rear fender.

        A. has discovered                 B. was discovering               C. is discovering       D. discovered

26.The earth _______ on the sun for its heat and light

        A. is depended                      B. depends                             C. is depending         D. has depended

27.I’m busy at the moment _______on the computer

        A. I work                                B. I’m worked                       C. I’m working          D. I worked

28.At this time tomorrow _______over the Atlantic

        A. we’re flying                      B. we’ll be flying                  C. we’ll fly                D.  we’re to fly

29. Our friends _______next us at the airport tonight

        A. are                                      B. are going to                       C. go to                       D. will be to

30. When I entered the room, everyone _____________.

        A. has been dancing             B.  was dancing                     C. had danced           D. danced

31. He said that he _________ his homework since 7 o’clock.

        A. had done                           B. did                                      C. has done                D.  was doing

32. How long __________ able to drive? - Since 1990.

        A. could you                                     B. have you been      C.  were you                          D.  are you

33. She won't get married until she __________ 25 years old.