14. They were surprised ______ the news.
A. for B. with C. at D. on
15. The light ______ so we couldn’t see anything in the dark.
A. went on B. went off C. went by D. went out
16. My teacher speaks English as ______as a native speaker does.
A. well B. good C. better D. best
17. The students ______to be at school at 7.30 a.m.
A. tell B. told C. were told D. have told
18. In what festival in your country do children ______ masks?
A. wear B. put C. take D. give
19. Many people become ______ because of the natural disasters every year,
A. homeless B. homesick C. homeland D. homework
20. Solar energy doesn’t cause ______.
A. pollution B. polluted C. pollute D. pollutant