2. Are you sure that boys are more _______ than girls? A. act B. active C. action D. activity 3. You are old enough to take _______ for what you have done. A. responsible B. responsibility C. responsibly D. irresponsible 4. These quick and easy _______ can be effective in the short term, but they have a cost. A. solve B. solvable C. solutions D. solvability 5. He was looking at his parents _______, waiting for recommendations. A. obey B. obedience C. obedient D. obediently 6. The interviews with parents showed that the vast majority were _______ of teachers. A. support B. supportive C. supporter D. supporting 7. London is home to people of many _______ cultures. A. diverse B. diversity C. diversify D. diversification 8. John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car. A. decide B. decision C. decisive D. decisively 9. My mother used to be a woman of great _______, but now she gets old and looks pale. A. beauty B. beautiful C. beautifully D. beautif 10. Although they are twins, they have almost the same appearance but they are seldom in _______. A. agree B. agreeable C. agreement D. agreeably 11. The more _______ and positive you look, the better you will feel. A. confide B. confident C. confidently D. confidence 12. My parents will have celebrated 30 years of _______ by next week. A. marry B. married C. marriageable D. marriage