In his view, though Hong Kong has no direct cultural identity, local art is thriving by "being ______, " being open to all kinds of art.

单项选择题That tragedy distressed me so much that I used to keep indoors and go out only ______ necessity.

单项选择题There is only one difference between an old man and a young one: the young one has a glorious future before him and the old one has a ______ future behind him.