60. Pigs______ in our school ________the food we students have thrown away.

　 A. fed; feed on　 B. are fed; live on　 c. that are fed; feed with　 D. feeding; feed on

59.The soup_______ good but _____bad, so it _____well.

　 A. smells; tastes; doesn’t sell　 B. smell; taste; doesn’t sell　 C. smelt; tasted; wasn’t sold　 D. smells; tastes; is sold

58. It was 5 o’clock in the afternoon _____they climbed up to the top of the mountain.

　 A. since　　 B. when　　 C. that　　 D. until

57. ________is well known to us is that the 2008 Olympic Games will be held in Beijing, China.

　 A. As　　 B. It　　 C. Which　 D. What

56. After _______seemed like two hours to us, we arrived there at last.

　 A. it　 B. what　　 C. that　　 D. there

55. To his surprise, his speech at the meeting _____ the students silence.

　 A. caught　　 B. took　 C. held　　 D. keep

54. Once lost, _______.

　　 A. it is said to get such a chance again　　 B. one can never get such a chance again

　　 C. such a chance will never come again　 D. to get such a chance will be difficult