I think you understand.
- - - Updated - - -
Choose an exposure mid way between the brightest and darkest areas and take your bracketed photos. You may need to go to more than one stop if there is a wide light variation.
- - - Updated - - -
It depends. Do you want the shrub thing and it's reflection showing detail or silhouetted?
And if you bracket using RAW it gives you even more to work with than just one RAW photo adjusted and blended.
Just a few thoughts from someone that's not an expert with this.