Question

Rectify the error
#the painter enter the cave
#but a entrance closed b behind him
#before the astonished emperor can move
#the painting had vanished from the wall

Answer 1

Answer:

The painter entered the cave.

But the entrance closed behind him.

Before the astonished emperor could move.

The painting had vanished from the wall. (already correct)

Hope this helped!

Answer 2

Answer:

1. The painter entered the cave.

2. but the entrance closed behind him

3. before the astonished emperor could move

4. the painting had vanished from the wall. (correct)