A.根据句意和中文提示，写出单词
68. He _______(到达) the farm on a cold morning.
69. We are getting ready for the coming English ________(竞赛).
70. Farmers grow ________(土豆) in my hometown.
71. ---What’s the _______ today? --- It’s minus two.
72. When they saw the monster, their _______ began to beat fast.
B. 根据句意，找出合适的单词，并用正确形式填入句中。（每格限填一词）
sheep nine it crowd wide
73. Computers are _______ used in our daily lives.
74. Four -_________ of the students are from the village.
75.Not long after, they made the statue _________.
76. Australia is called “a country on a _________ back”.