Why are they making the building?
The sentence is in the active voice.
Why is the building being made by them?
The sentence above is in the passive voice.
Hope it helps. :)
On vacation, we went swimming, diving, and we took a canoe ride sounds and makes the most sense
(2) "Relief at being alive and exasperation at his captive plight brought a strange medley of pious thank-offerings and sharp curses to Ulrich's lips."
a prepositional phrase describes where or when an event occurs, so the answer is <u>D</u>