1
make the sick children excited;
make them excited;
give away the food;
clean up the city park;
come up with a plan;
put off making a plan;
put up a notice;
care about the old;
Contribute to;
raise money for;
fix it up;
looks like;
set up
2 told, something, used to be
3 have been used to helping
4 a strong sense, satisfaction
5 Being a volunteer, coming true
6 like to do, at the same time
追答7 possible, to have lucky
8 made, difference to
9 disabled, difficulties, To answer, difficult for me
10 Because of, kindness, trained
11 changing