i know!
& |3 u) L/ P, X' U; I: j" c公仔箱論壇when they can have 15 mins discussion.
- H4 q0 x3 V2 s- o# Pmake 1 of them to do a specific job whcih is counting5.39.217.76: E* _, l5 b7 G) X) D
only him can turn on off off the light." _6 n! b* }/ @, y9 R. @8 D
Basically, if you are the first time to get in the room, turn on the light,
3 ^$ E/ M1 E$ A2 Gthen wait for "the special man" to turn the light off....tvb now,tvbnow,bttvb( j7 m; o8 c9 p2 k# B
when "the special man" count in up to 30 (included himself)
1 a: T8 _: x/ f9 a# P2 cthen it is done! |