单词拼写
根据下列各句句意和空白之后的汉语提示词，在答题卡指定区域的横线上写出对应单词的正确形式，每空只写一词。
66. They are used to being _____(分成) into groups in their English class.
67. China is a developing country, _____(属于) to the Third World.
68. My good friend will be sent _____(国外) for further study of chemistry.
69. He desires to _____(收到) a present now.
70. Tomorrow’s football match had to be_____（取消）because of the bad weather.
71. All my classmates want to be _____(志愿者) of the EXPO in Xi’an.
