IV. 基础知识（共2节；满分20分）
第一节 单词拼写。根据中文或首字母写出英文。（共10小题；每小题1分）
66. The old man lost touch with his family after the _____（爆发）of the Second World War.
67. “You are the parents of Peter, so you are _____（负责的）for him,” said the teacher.
68.The poor old woman who has no children is very _____（谨慎的）with her money.
69. The new teaching building is under _____（建设）.
