i know!8 I) G, L' P% u- U8 L+ E
when they can have 15 mins discussion.公仔箱論壇$ X9 ?' K: `2 p
make 1 of them to do a specific job whcih is counting
0 K/ T3 J5 t0 P M' c: i公仔箱論壇only him can turn on off off the light.
V5 m( x/ q- ^5 pBasically, if you are the first time to get in the room, turn on the light,
: n4 b) ?* }$ R0 p R# s公仔箱論壇then wait for "the special man" to turn the light off....
3 z( `, r2 M7 I3 y2 Xtvb now,tvbnow,bttvbwhen "the special man" count in up to 30 (included himself)
! N/ w* w5 k7 u1 a# p% C d* s公仔箱論壇then it is done! |