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14. A _____ and creative leader will navigate his business through the most difficult period.
A. visionary B. biography C. discovery D. encouragement
15. One of her _____ achievements is the discovery of radium and polonium.
A. impress B. impressive C. impression D. impressively
16. The company’s sales have doubled since the introduction of new _____ technology.
A. full-length B. traditional C. cutting-edge D. standard
17. It was their determination that helped them _____ the enemy.
A. contain B. publish C. remain D. defeat
18. Nelson Mandela is one of the most _____ political leaders of the Twentieth and Twenty-First Century.
A. admired B. perfect C. talent D. skilled
19. When we were on a voluntary tour, we _____ to public places to collect rubbish every day.
A. were going B. went C. have gone D. had gone
20. I _____ about him when suddenly he came in.
A. talk B. talked C. am talking D. was talking
21. I was revising for my civics class when my dad _____ me about the volunteer job.
A. tell B. was telling C. told D. had told
22. When Tien _____ some photos of the wildlife reserve, it started to rain heavily.
A. has taken B. was taking C. would take D. is taking
23. I _____ Maria for the first time at the Heart-to-Heart Charity Office.
A. saw B. was seeing C. has seen D. is seeing
24. We _____ our quality time when the unexpected guess _____.
A. had - came B. were having - came
C. had had - would have come
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