16. The expert explained that the upper of the bridge was in very bad condition. A. building B. structure C. foundation D. roof 17. Something immediately to prevent teenagers from in factories and mines. A. should be done being exploited B. we should do exploiting C. should be be exploited D. should have been exploited 18. In 1978, the south and north Cat Tien parks were put the States protection. A. above B. with C. of D. under 19. Architect Kasik is honoured with his statue in Hoi An in for his restoration work done at the My Son Sanctuary. A. recognition B. admiration C. agreement D. knowledge 20. This car . A. was manufactured in Japan by Toyota last year. B. was manufactured by Toyota last year in Japan. C. was manufactured last year in Japan by Toyota. D. last year was manufactured in Japan by Toyota. 21. It that China dug up the ocean floor to build artificial islands. A. would be said B. is said C. says D. said 22. The Thang Long Imperial Citadel was built on the location of a Chinese dating from the 7th century. A. border B. soldier C. battle D. fortress 23. The situation to continue. A. cannot allow B. cannot be allowed C. cannot have allowed D. cannot be allowing 24. The public suggested that the factories with waste treatment system. A. would equip B. would be equipped C. should equip D. should be equipped 25. Talking about Tay Phuong Pagoda means talking about a treasure of , an invaluable cultural and historical heritage. A. items B. stone C. sculpture D. objects 26. The machine on by pressing this switch. A. can turn B. can be turned C. must turn D. should be turning