84. The boy spends all his spare time playing football. He l　　　　　　　　　 playing it.　

83. Rains are f　　　　　　　　　 in our area during the rainy season.

82. The 1998 flood has been one of the greatest d　　　　　　　　　 that hit China these years.

81. Yesterday the teacher s　　　　　　　　　 the students should do with these old books as soon as possible.

80．Can you give me some 　　　　　　　　　　(信息)about flights to Beijing please?　

79.　 You can’t be r　　　　　　　　　 (无礼)to your dad. What a shame!

78. My friends Mary and Johnson got married yesterday. I went to their new house and said “　　　　　　　　 　　　(恭喜) on your happy marriage!” to them.　

77.The two 　　　　　　　　　　(官方的) languages in Canada are French and English.

根据每一句的汉字或首字母的提示，拼写出符合句子意思的英语单词，拼写时注意词形的变化。

76. All of these old persons said that they 　　　　　　　　　　　(经历) the two world wars .