i know!5.39.217.76: {6 I( V; Q9 J+ |# b, q% i7 Y
when they can have 15 mins discussion.5.39.217.76; A1 V% c! U( K; t l
make 1 of them to do a specific job whcih is counting. m0 x$ o% \0 H& o
only him can turn on off off the light.tvb now,tvbnow,bttvb, g! m# H" h P# d( }! D1 e
Basically, if you are the first time to get in the room, turn on the light, 5 s) O$ ?" K& B. m$ g
then wait for "the special man" to turn the light off....公仔箱論壇" M2 n; U0 Q6 F1 L* f- Q b
when "the special man" count in up to 30 (included himself)
6 `9 x- ?% p2 r2 Y3 cthen it is done! |