----- Nội dung dịch tự động từ ảnh ----- 14. The local government suggests.. Cat Tien National Park. A. build B. to build C. building D. being built 15. In 1990, due to the change of the economic situation, many Dong Ho cooperatives had to..... A. close B. close in C. close down D. shut 16. There is no point. harder. A. try B. to try C. trying D. in trying a road through the Nam .... to get higher mark if you don't study