V. Choose the best option to complete the following sentence. 15. Anna doesn’t play baseball ______ her sister. A. as well as B. as good as C. as best as D. as better as 16. A century has _________ years. A. 5 B. 10 C. 100 D. 1000 17. Bananas contain many helpful _________. A. beans B. sticks C. muscles D. nutrients 18. At what ages ______ most people talk? A. can B. do can C. could D. did could 19. How________ is the Mount Everest? A. many B. fast C. high D. much 20. He looks _______ his father. A. as B. like C. more D. much 21. If you see a big bear, try to ______ still. A. build B. stand C. find D. climb 22. I _________ in the shelter if it rains. A. will stay B. stay C. stays D. am staying 23. You _________ buy that book. It’s not very good. A. must B. mustn’t C. should D. shouldn’t 24. You can always ______ away quickly from animals. A. run B. avoid C. use D. pick 25. You ________ if you don’t try hard. A. will survive B. survive C. won’t survive D. to survive 26. The exam are finished now. You _______ relax. A. must B. should C. mustn’t D. shouldn’t