选择下列单词或词组填空(填写答案时请注意单词字母和大小写和拼写问题) siblings completely delegate octuplets policy according to campaign grow up care for only child They are planning a new ________ against corruption. She will ________ to be a fine woman. He was elected as a ________ to the annual conference. We will go or we won't, _______ circumstances. It seemed to be her mission to ________ her brother's children. It's the company's ________ to sacrifice short-term profits for the sake of long-term growth. I understand ________. I have no ________. That means I have no brothers or sisters. I am a(n) ________. So I don’t have to share my things with other children. It’s rare to give birth to eight children at the same time. It must be great to have ________.