21. This is ______ the best pizza that I’ve eaten – I can’t remember having one as tasty as this before. A. rarely B. barely C. surely D. mainly 22. The line that divides North and South Korea is the most ______ armed border in the world. A. nearly B. formerly C. kindly D. heavily 23. The streets were ______ wide enough for two people to pass each other. A. narrowly B. barely C. strictly D. closely 24. They sacked the head of marketing because he was ______ inefficient. A. relatively B. deadly C. hopelessly D. moderately 25. The computer has changed the world ______. A. irreplaceably B. irredeemably C. irrevocably D. irreparably 26. The changes in this city have occurred ______. A. with swiftness B. rapidly C. in rapid ways D. none is correct 27. I'm afraid I haven't read that book ______. A. already B. again C. ever D. yet 28. He responded to my question ______. A. in polite B. polite C. politely D. impolite 29. A breeze _______ touched my face. A. gentle B. gently C. gentler D. in gently 30. Bill is a harder worker. He works ______ than Joe. A. harder B. more hard C. more hardly D. hardier