i know!公仔箱論壇" a* B$ Z" \6 ^1 f
when they can have 15 mins discussion.公仔箱論壇1 h; ?4 [# H _) t' U1 s
make 1 of them to do a specific job whcih is counting
7 E5 m; p+ c* y( C/ V6 V0 F: ytvb now,tvbnow,bttvbonly him can turn on off off the light.9 p. l; I3 v% a0 S
Basically, if you are the first time to get in the room, turn on the light,
2 C2 i8 ` X9 ], T+ {then wait for "the special man" to turn the light off....
. s$ N' k- G* |# U& S9 h* c9 mtvboxnow.comwhen "the special man" count in up to 30 (included himself)
9 V; B7 O" p7 J' ^! Y公仔箱論壇then it is done! |