.(全国卷I 30). The little boy won’t go to sleep ______________his mother tells him a story.
She is very dear to us. We have been prepared to do it takes to save her life.
What the boy enjoys _____ to have a room of his own.
_________ he is, he has a wide range of knowledge.
_________ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.