b........ing a m..........
building a model
p.......ing t.... p..........
playing the piano
u...........ing a c................
using a computer
t........ing o... t.... p........
talking on the phone
d........ing a b.........
drawing a bridge
p.....ing t..... g........
playing the guitar
p........ing t......
playing tennis
c......ing a t.......
climbing a tree
l.........ing to m..........
listening to music
r........ing c......... b.........
reading comic books