66. Being defeated for the third time, it seemed to him that it was no use_______ anything any more.

　　A. to try doing B. trying to do

　　C. to try to do D. tried to do

　　67. Since 1970, Mr. Johnson ________in this hospital and he loves the job very much.

　　A. has worked B. will be working

　　C. has been working D. is working

　　68. The Great Pyramid ________the west bank of the Nile River, not far from Cairo.

　　A. is located on B. is situated in

　　C. is located at D. is situated of

　　69. Could you please tell me _____ to repair our fax machine?

　　A. how much it costs B. how much cost is

　　C. how much costs it D. how much does it cost

　　70. This instrument is ________that one.

　　A. almost as useful than B. as almost useful as

　　C. almost as useful as D. as useful almost as

　　71. What would you do if war _________?

　　A. breaking out B. will break out

　　C. breaks out D. were to break out

　　72. Although__________ happened in the Arctic region sounds like fairy tale, it truly exits.

　　A. it B. what

　　C. which D. that

　　73. The question is ______ to send troops to take part in the war.

　　A. if worthwhile it will B.whether it will be worthwhile

　　C. whether worthwhile it will be D. if will be it worthwhile

　　74. ______ that Martin had passed the important exam, his friends called to congratulate him.

　　A. Having been heard B. To have heard

　　C. Being heard D. Having heard

　　75. She wanted to join the group of men________ was to explore the mysteries of the planets.

　　A. who B. which

　　C. whose work D. their work