如果这幅画是原作，它将非常珍贵。

If the painting is an ___original, it will be very valuable.

她在付钱给他，但不足以购买原作。

She was paying him, but not as much as she would need to buy the ___original.

这份文件是原件，不是复印件。

This document is the ___original, not a copy.