Are you looking at diagrams on you work sheet ?
Answer:
He was in Gettysburg to dedicate a national military cemetery to the Union soldiers who fell at the Battle of Gettysburg four months earlier. Lincoln goes back in time—not to the signing of the Constitution, but to the Declaration of Independence.
The correct answer is option D.
Because there is a preposition where the noun completes the meaning of the sentence "Sitting <u>on</u> the porch"
On: being the preposition.
Either the 2nd or 3rd bullit point
