i know!5.39.217.77:8898' g3 j, ?" E# n2 V( u# f$ J
when they can have 15 mins discussion.
: B+ G/ D2 N- O7 E/ i- P% G6 Zmake 1 of them to do a specific job whcih is counting. k1 ]& T% ?1 Z8 Z
only him can turn on off off the light.公仔箱論壇 B5 j1 f G5 [& H8 D4 l; Q! \
Basically, if you are the first time to get in the room, turn on the light, $ A% N0 m& i: G, s/ h9 L& i1 Z; l
then wait for "the special man" to turn the light off....公仔箱論壇) r+ n7 p# P! S+ P [/ n/ ?
when "the special man" count in up to 30 (included himself)
9 L+ S8 K/ d2 ?tvb now,tvbnow,bttvbthen it is done! |