30. She was hurt by what you said..

--I’m sorry, but I didn’t do it ________.

　 A. on purpose　　　 B. by accident　　　 C. on time　　　 D. by myself

29. At the G20 meeting, many good ideas _______ on how to fight against pollution all over the world.

　 A. set up　　　 B. put up　　　 C. picked up　　　 D. came up

28. That old car breaks down _______these days, so I’m planning to buy a new one.

　 A. gradually　　　　 B. frequently　　　 C. actually　　　 D. fluently

27. Although she didn’t know the best way of getting to places, she ________that she organize the trip properly.

　 A. commanded　　　 B. persuaded　　　 C. expressed　　　 D. insisted

26. The police are offering a(n)_______for anyone who can give information about the traffic accident.

　 A. attention　　　 B. prize　　　 C. reward　　　　 D. gift