返却, へんきゃく
Takes suru, Transitive
return of something, repayment, to return, to repay
その本を図書館へ返却しましたか。
する, 為る
Conjugated: しません
1. to do, to carry out, to perform
2. to cause to become, to make (into), to turn (into)
3. to serve as, to act as, to work as
4. to wear (clothes, a facial expression, etc.)
as 〜にする,〜とする
5. to judge as being, to view as being, to think of as, to treat as, to use as