13. All the people in the concert hall applauded for his _________ performance.

27. How do some people explain the decline in public education?

26. What do we learn from various studies on America＇s public education?

25. “But I seem to have an endless life of toil.” The word “toil” in this sentence is similar in meaning to (______).

24. “I would not give any of my creations a challenge it could not handle.” This sentence means (______).

23. Which of the following is NOT true?

22. “Can you give me one good reason not to quit?” This question suggests that the author (______).

21. The author attempted to quit everything he had for all the following reasons EXCEPT (______).

20. Several minutes later， a car came and() the old man to hospital.

19. We are _____ our trip until the weather grows warmer.

18. Sorry， I am late — something (______) at home.