i know!tvb now,tvbnow,bttvb( k1 j1 d1 P u3 X: k2 F* c) M
when they can have 15 mins discussion.公仔箱論壇$ M9 k7 F* n2 e4 c
make 1 of them to do a specific job whcih is counting. l9 h$ ]8 O2 c6 y l- k
only him can turn on off off the light.
. _7 K5 z, b# I ftvb now,tvbnow,bttvbBasically, if you are the first time to get in the room, turn on the light, tvb now,tvbnow,bttvb8 {' r4 y! U7 s# O. I0 L
then wait for "the special man" to turn the light off....
3 I( M {) K5 L4 f' R公仔箱論壇when "the special man" count in up to 30 (included himself)) b, V, [- {* p9 S5 v1 S
then it is done! |