... attention to what he said. A. insisted B. accused C. thanked D. warned 12. Its population has ………… from 1.2 million to 1 .8 million.A. decreased B. fell C. dropped D. increased13. Mr. and Mrs. ... to complete the following passage.In 186 0, London was a large city of two and a half million people. By 1910, London was the biggest city in the world ( 18) …… a population of five million. (19)…… ... each sentence.4. We’ll be late unless we …………. now.A. leave B. don’t leave C. left D. had left 5. If I ………… you were sick, I would have called sooner.A. knew B. have known C. had known D. would...