21. Sciences and technology have enormous ______________ on economic development. A. affects B. effects C. affect D. effect 22. I believe that our

21. Sciences and technology have enormous ______________ on economic development. A. affects B. effects C. affect D. effect 22. I believe that our new manager has the … to work well in this business environment. A. inflexible B. flexibly C. flexibility D. flexible 23. If the factory … dumping poison into the lake, all the … Đọc tiếp