81. Many a man ________ life is meaningless without a purpose.

　　A. thinks B. thinking C. have thought D. think

　　82. John left home twenty minutes ago. It is usually half an hour's drive from his home to the office here. So he ________ soon.

　　A. should have arrived B. need arrive

　　C. must have arrived D. may arrive

　　83. ________ Hongkong is often regarded as ________ international centre for business, finance and tourism.

　　A. / ; an B. An ; / C. The ; / D. / ; the

　　84. They went ________ the schedule for the conference again and again until they felt satisfied with every detail of it.

　　A. out B. up C. over D. by

　　85. Schools should teach our kids various subjects, and moreover teach them how to ________ right from wrong.

　　A. run B. take C. tell D. put

　　86. By the time you finish your homework, all of us ________ ours at hand, I'm sure.

　　A. will finish B. will have finished

　　C. have finished D. have been finishing

　　87. In time of trouble Charlie could always ________ a solution.

　　A. put aside B. look down upon C. break out D. come up with

　　88. Before building a house, you will have to ________ the government's permission.

　　A. get from B. follow C. receive D. ask for

　　89. The director had her assistant ________ some hot dogs for the staff members.

　　A. picked up B. picks up C. pick up D. picking up

　　90. ________ their hats into the air, the fans of the winning team let out loud shouts of victory.

　　A. To throw B. Thrown C. Throwing D. Being thrown

　　答案：A D A C C B D D C C