【小题1】Lanshou, Xianggu is ____(wide) used to express the feeling of unhappiness on the Internet now.
【小题2】Four is a(n) ____(luck) number for most Chinese people, because it sounds like the word for   death.
【小题3】The elevator is out of ____(serve) right now, so we have to walk upstairs.
【小题4】Mr. Green thought it would stop raining this afternoon, but it seemed to be even __(heavy).
【小题5】The books on great people were ____(organize) on those bookshelves according to their names. You can find your book easily.