66. The hotel is famous for its _______ arranged rooms. A. attractive B. attracted C. attractively D. attraction 67. I wasn’t _____ on going to the party last night. A. keenness B. keenly C. keen D. keenest 68. You can _____ knowledge by reading newspapers. A. richly B. enrichment C. rich D. enrich 69. My son has given a great deal of _____ to his future job. TEACHER: NGUYEN THI KHANH LINH 6 A. thoughtless B. thoughtful C. thought D. think 70. The most important thing is to keep yourself ______. A. occupation B. occupied C. occupant D. occupational 71. Hundreds of ______ have been involved in the research. A. scientists B. science C. scientific D. scientifically 72. The animal hurdled together for _____ . A. warmth B. warmly C. warmed D. warm 73. The more ______ an event is, the better it will be remembered. A. signify B. significance C. significantly D. significant 74. The authorities are discussing the worrying ______ issues in the area. A. environmentalists B. environmental C. environment D. environmentally 75. The custom was said to be a matter of _______. A. convenient B. convenience C. conveniently D. convene 76. Cheer up! You look ______! A. disappointed B. disappointing C. disappointment D. disappointed 77. Carbon dioxide occurs in the air in _____ form. A. nature B. naturally C. natural D. naturalness 78. Most major cities are large ________ of industry and automobiles. A. concentration B. concentrated C. concentrations D. concentrating 79. Many students in my class expressed a strong _______ for the school’s original project. A. preferring B. preference C. preferable D. preferential 80. I have ______ touch with my father for a long time. A. loss B. lost C. loose D. loosen