D.
1. act
2. sing
3. play
4. dance
5. improve
6. fix
7. watch
8. perform
9. collect
10. join
11. visit
E.
1. c
2. b
3. a
4. c
5. c
6. b
F.
1. why are you so good at everything?
2. did you enjoy yourself at the zoo?
3. nobody listens to that sort of music anymore
4. go skateboarding
5. to ride a bike