她捡起书，小心地把它们放回书架上。

She picked up the books and carefully ___replaced them on the shelf.

简跳起来，小心地把照片放回桌子上。

Jane jumped up and carefully ___replaced the photo on the desk.

审阅完文件后，请确保将它们放回文件柜中。

After reviewing the documents, please ensure you ___replace them in the filing cabinet.