This is the (origin) ________painting, and these others are copies.
查看答案
He is the (own) ________of the house, but he lives in another city.
Heis known to be faithful in the (perform) ________of his obligations.
This is a private gardent, so no one can go in without (permissible) ________.
Even now there are still some natural (phenomenon) ________ can not e explained.