80.________ ______ _______ (注意) dangers, such as spiders, snakes or poisonous plants.
79.However, most of the time people from the two countries do not _______ ______ ____________ _____ ________________ (在理解上有些困难) each other.
78.For a long time the language in America _______ _______ _______ (保持不变), ________ (然而) the language in England changed.
77.He also learns that he _______ _____ ______ ________ (本应该关心)his friends.
76.One day chuck is ___ ___ _______(在飞行)across the Pacific Ocean ______(突然)suddenly his plane crashes.
75.He _______ (重复) the sentence several times and I understood at last.75._________
74.It isn’t _______ (仅仅) a question of money. 74._________
73._______(比较)to many women, she was indeed very fortunate. 73._________
72.They got into quite a heated _______ (争论). 72._________
71. Foreign _______(政府) are satisfied with the Olympic Games. 71._________