i know!tvb now,tvbnow,bttvb' ^# a3 d8 x! Q- N4 B" w
when they can have 15 mins discussion.% T. Y* X2 R2 W" U k3 a* d
make 1 of them to do a specific job whcih is counting公仔箱論壇 d' ^$ {6 t! {
only him can turn on off off the light.
+ X# a5 g' g6 i( a; K3 RBasically, if you are the first time to get in the room, turn on the light,
$ v: {8 P) _- d1 f$ C4 w+ U1 g2 K- btvb now,tvbnow,bttvbthen wait for "the special man" to turn the light off....公仔箱論壇6 L) y1 u# V- V
when "the special man" count in up to 30 (included himself)
0 T, N& f# Q! L) B; O4 o; Atvb now,tvbnow,bttvbthen it is done! |