Question 11. Fortunately, the injured people _______ by a passerby before his health condition _______ worse A. was rescued - became B. had been rescued - became C. rescued - became D. was rescued - had become Question 12. The waves of the ______ were so huge that it destroyed everything on the beach. A. tsunami B. hurricane C. earthquake D. tornado Question 13. By the time you …………… to England, I …………… there for two days. A. come - was B. came – was C. came – had been D. had come - was Question 14. If I ………… a millionaire now, I ……… travel around the world. But in fact, I have only a little money. A. am-will B. am-shall C. was-will D. were-would Question 15. What is the main …………… of visual pollution? - Because there are too many advertising billboards. A. effect B. affect C. result D. cause