Răspuns:
6.sing-singing
11.fight-fighting
2.sit-sitting
7.make-making
12.clean-cleaning
3.read-reading
8.kick-kicking
13.run-running
4.drink-drinking
14.jump-jumping
5.do-doing
10.sleep-sleeping
15.talk-talking
16.watch-watching
17.cook-cooking
18.eat-eating
19.swim-swimming
20.dance-dancing
9.play-playing