单词拼写（共10分） 76．The day when the Maori signed an agreement with the settlers is still c       as a national holiday. 77．Susan decided to buy the d        necklace which cost a lot of money 78．Finally, the old couple m       to persuade their son to give up his foolish idea. 79．The audience roared with laughter at the a        crosswalk show. 80．In near future, we will have a v       of GM watermelons to choose from. 81．Tom was born in Pairs and was       (受教育) in England. 82．She raised a question and broke the        (沉默). 83．Farmers are now busy sowing         (种子). 84．We will go          (野营) the day after tomorrow. 85．It is difficult to understand what he said, because he speaks English with a strong       (口音).