Question

The portrait________ from the wall (fall)

Answer 1

BONJOUR,
❤ ❤ ❤

The portrait fell from the wall.

Answer 2

The portrait fell from the wall.

Here the sentence usually can't be in Simple present (falls) .Nor it can't be in present continuous (is falling)

Though
it can be in present perfect (has fallen)
The portrait has fallen from the wall.

The portrait fell from the wall. (Simple past). Will be correct here.

Hope it helps.