a. suggestion box

b. used to collect complaints, criticisms, or suggestions written on a piece of paper by customers, members of an institution, or the general public

c. in places like school, shop, or public institutions that provide suggestion boxes

d. institutions or places that provide the suggestion boxes

e. yes we can be better at anything with a lot of suggestions people give

f. depends on the suggestions, if its good for us and we can follow it, then we better follow the suggestion

g. (tergantung sekolah masing masing)

h. commonly, the suggestion given is about services, facilities, comfort, etc