根据句意及首字母或汉语提示写出单词的正确形式
He was the Queen's ________ (代表)at the ceremony.
Speeches d ________ human beings from animals.
1 am in a rather u ________ position, as my job is different from anyone else's.
1 must be going now. Thank you for your kind ________ (盛情).
They made a c ________ to come here early.
It is a(n)________ (理想的)day for a picnic.
The ________ (目击者)was telling about the whole accident.
The introductions are reasonably ________ (易懂的，坦率的).