3      A                   B                  C

2.

      A.                  B.                 C.

1.

70. Computer lessons are offered in most middle schools.

69. He kept wondering why people who had so much money were never satisfied.

68. What do you think the middle school students should do to improve our environment.

67. It was getting dark,and what was worse,it began to rain.

66. She has such a beautiful voice that we are all attracter by her.