69. It normally takes a semester for a college freshman to adjust to his college life.

63. He has taught English in this university ever since he moved to this city.

28. Most students feel satisfied with the progress they’ve made.

70. I would appreciate it if you would just let me deal with this case.

33. The People's Republic of China (PRC), founded on October 1, 1949, covers an area of 9.6 million square kilometers.

14 Both Ann and Mary are suitable for the job.

61. Bill hit his car into a wall last night.

41. Trees need water to grow.

9.Our textbooks are very different from theirs.

64. Transistors are small in size and light in weight.