III. Choose the best option (A, B, C or D) to complete each of the following questions. 5. An amphibious bus can run on water and ______. A. sand B. land C. field D. sky 6. Work hard _______ you will be poor. A. or B. because C. but D. and 7. _________ to play football after school? A. Are you going B. Will you C. You will D. You are going 8. Look! Small cars are running under the ______ . A. boat B. train C. aircraft D. tunnel bus 9. Would you like to have ________ coffee? A. lots of B. a lot of C. any D. some 10. Is this music by his favorite pop ______ ? A. hit B. violin C. song D. band 11. You _________ eat in the library. That’s the rule. A. mustn’t B. must C. should D. shouldn’t 12. If you see a big bear, you can ______ up a tree. A. avoid B. climb C. find D. run 13. A good _________ contains a lot of vegetables. A. snack B. health C. diet D. height 14. She is _______ than her brother. A. shorter B. more short C. short more D. short 15. Solar energy is not _________ to us because we use it every day. A. old B. new C. safe D. renewable