15. In the last hundred years, traveling _______ much easier and more comfortable. A. becomes B. has become C. became D. will become 16. He has been selling motorbike _______ A. ten years ago B. since ten years C. for ten years ago D. for ten years now 17. I have been waiting for you _______ A. since early morning B. this morning C. since two hours D. for early morning 18. Prices ...... all the time. Everything is getting more and more expensive. A. rises B. are rising C. were rising D. had risen 19. - When are you planning to send the memo to the staff? - I ...... it already. A. send B. had sent C. have sent D. was to sent 20. Those cakes _________ delicious! Can I have one more? A. tastes B. are tasting C. tasting D. taste 21. Kate is a very punctual student, so she is ____________ late for school. A. often B. never C. always D. sometimes 22. Dave is in New York now. He ________ the United Nations Building. A. visits B. visited C. is visiting D. are visiting 23. The earth ________ around the sun. A. go B. is going C. went D. goes 24. Please dont make noise. I __________. A. study B. am studying C. studied D. was studying 25. Mr. Johnson ________ in this company for 30 years and he isnt planning to retire yet. A. worked B. is working C. has worked D. had worked 26. He ________ to see me every Sunday. A. came B. come C. comes D. is coming 27. Her mother always gets up at 5:30. She _______ morning exercise. A. makes B. does C. do D. make 28. Every day Mary _____ on the computer, but today she _________ a typewriter because there is no power. A. has typed/will use B. is typing/uses C. types/has used D. types/is using 29. He _______ to the movies once a week. A. went B. is going C. will go D. goes 30. Water at one hundred degrees Celsius and freezes at zero degrees Celsius. A. cooks B. steams C. boils D. grills