Question 27:       A. reply                  B. appear                C. protect               D. order

Question 26:         A. endanger           B. geometry           C. opposite            D. geography

Question 25:         A. permanent         B. continue            C. complete           D. relationship

Question 24:         A. enthusiast          B. preferential        C. participant         D. particular

Question 23:         A. reduce               B. impress              C. technique          D. finish

Question 22. A. interview                                      B. compliment              C. sacrifice       D.

represent

Question 21. A. legal        B. diverse                      C. polite                        D. complete

Question 20:         A. comprise           B. combat              C. convert              D. conceal

Question 19:         A. geographical     B. environmental   C. agricultural        D. biological

Question 18:         A. postpone           B. specialize          C. purpose             D. summarize