他忙着准备去旅行。He is busy __________ __________ for his journey.
Many people wrote __________ (评论)for his new novel.
He prefers __________ (喜剧)to tragedies.
Two Thousand Under The Sea is a famous science __________ (小说).
All the questions must be answered without __________ (例外).
Most of the young people like __________ (浪漫的)tales.