用所给单词的适当形式填空。
1. Do you often hear the song _____ (sing)?
2. How many buildings _____ (go) up during the last few years.
3. It can grow up t0 5 meters or more in _____ (long).
4. King cobra is one of the world's most _____ (danger) animals.
5. The _____ (win) will be given a new bike.