2. A. negative                    B. pioneer                     C. interchange               D. understand

1. A. committee                 B. internal                     C. involvement             D. margarine

10. A. associate                 B. influential                 C. accountancy             D. variety

9. A. computation              B. unemployment         C. desirable                   D. satisfaction

8. A. urbanization              B. modernization          C. communication        D. unexpectedly

7. A. address                      B. include                     C. imply                        D. common

6. A. priority                      B. relationship              C. enthusiast                 D. engineering

5. A. colony                       B. maintaining              C. maintenance             D. credible

4. A. tableland                   B. artistic                      C. contribute                 D. substantial

3. A. rainfall                      B. inquire                      C. confide                     D. machine