在下列各句的每个空格内填上一个适当的完整的单词，该词的首字母已给。
Your answer is wrong. Who has the c______ answer to the question?
Everybody is laughing at her. She c______ her red face with her hands.
There are four o_______ in the world and among them the Pacific is the greatest.
The story i______ is interesting, but there are too many new words.
He got up earlier than usual so that he could c______ the early bus.