helloz everyone!today i would like present your riddle..hehehehe...
please anwer my riddle if you realy-realy expert to playing riddle.huhuuhu
good luck!",)

1) What runs but cannot walk..
2) What kind of room has no window or door…..
3) Name 3 key that cannot open the door…..
4) What is at the centre of the gravity….
5) What has to be broken before it can be used….
6) What grow when it eats, but dies when it drinks…..
7) What keep on going up but never come down…..