i know!
: C% T. r' Z9 G- }when they can have 15 mins discussion.tvb now,tvbnow,bttvb3 i2 U* a2 ~' f. B- [# `
make 1 of them to do a specific job whcih is counting
/ Q+ x) c: ]3 n: R* @" t1 W# i* B公仔箱論壇only him can turn on off off the light.
/ d% b5 \3 r+ G2 ktvb now,tvbnow,bttvbBasically, if you are the first time to get in the room, turn on the light, . u! z) Z# J6 |2 c, ]
then wait for "the special man" to turn the light off....3 ]; H) A5 Y- J' {! I
when "the special man" count in up to 30 (included himself)
! ?$ e: B0 i" y# d公仔箱論壇then it is done! |