40. When they found out his identity, they threatened to kill him if he did not respond to their demands.

41. He should be polite enough not to boast about what he was he has achieved.

42. I pressed my parents until they finally gave in and registered me for skating classes.

43. They stressed the need for more employment opportunities and better health care.

44. Some questions seem obvious but others seem peculiar and hard to answer.

45. Continuous exposure to sunlight is harmful to the skin.

46. The university I graduated from with honors in 1998 is one of the best in china.

47. People who want to get rid of old cars sometimes dump them in the woods.

48. He doesn't retreat into self-pity because of his job as a trashman; instead,he feels proud of it as he thinks it is an essential task.

49. Micheal won the competition, contrary to everyone's expectations.

50. When the boss told her she was fires,she was pale and trembled with shock.

51. When I saw the job advertised in the paper,I wrote to the