67. Nowadays too many people are__their eyes __trade. 　　 　　A. turning . . . on B. fixing . . . to C. turning . . . to D. fixed . . . on 　　 　　68. We had a good many anxious worries but everything __all right in the end. 　　 　　A. turned down B. turned on C. turned out D. turned to 　　 　　69. Twenty people were expected, but only ten ______. 　　 　　A. turned round B. turned up C. turned out D. turned to 　　 　　70. Some eighty years ago three-quarters of American production ____family farms or from business employing fewer than six people. 　　 　　A. made from B. kept from C. got from D. came from 　　71. The period ____dance classes increases gradually from two or three hours a day to five or six. 　　 　　A. referred to B. kept to C. got to D. given to 　　 　　72. What did she ____so much money? 　　 　　 Nothing but a necklace made of glass. 　　 　　A. spend on　　　　　B. pay for　　　　　C. buy for　　　　　D. sell to 　　 　　73. If we _______, we can realize the progress we have made.