I regret not booking the flight earlier.
WISH
I .................... the flight earlier.
People say that the island is the most beautiful in the region.
SAID
The island .................... the most beautiful in the region.
The hotel was so expensive that we could not afford to stay there.
TOO
The hotel was .................... to afford to stay there.
I have never visited such an amazing city before.
MOST
This is .................... I have ever visited.
If you do not bring your passport, they will not let you board the plane.
UNLESS
They will not let you board .................... bring your passport.
We did not manage to find the museum on our own.
SUCCEED
We did not .................... the museum on our own.