词汇根据下列句子的意思及所给的汉语提示，写出空缺处单词的正确形式(每空一词)。
Lily’s parents are both doctors while _________（我的） are both teachers.
As Chinese , we’re all _________ (骄傲） of the Great Wall.
To make our world a better place, we need to _________ （保护） those endangered wild animals.
When did the story ______________ （发生）?
May is the______________ （第五）month of the year.
Most people in Britain have small___________ (花园) at the backs of their houses.
English is a working ___________ (语言) in the United Nations.