74. It is thought that traditional marriage ........ are important basis of limiting divorce rates. A. appearances B. records C. responses D. values 75. Although they are twins, they have almost the same appearance but they are seldom in ....... A. agree B. agreeable C. agreement D. agreeably 76. The more ......... and positive you look, the better you will feel. A. confide B. confident C. confidently D. confidence 77. My parents will have celebrated 30 years of ......... by next week. A. marry B. married C. marriageable D. marriage 78. Mr. Pike held his wife's hands and talked urgently to her in a low voice, but there didn't seem to be any response. A. feeling B. emotion C. reply D. effect 79. Socially, the married ......... is thought to be the basic unit of society. A. couple B. pair C. twins D. double 80. Professor Berg was very interested in the diversity of cultures all over the world. A. variety B. changes C. conservation D. number 81. He ..... get there in time, but I can’t be sure. A. might B. can C. must D. need 82. What he has done to me cannot ....... A. forgive B. forgiven C. be forgave D. be forgiven 83. It’s essential that nobody can hear us. We ...... make any noise. A. may not B. mightn’t C. mustn’t D. needn’t