What type of sentence structure is shown in the sentence below? Jack raised his arms as he crossed the finish line at the Boston Marathon.

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.

Aprepositional phrase contains a preposition contains no modifiers contains a subject and a verb contains an object and any modifiers of the object

"once upon a time, a little girl named laura traveled in a covered wagon across the giant prairie." - little house on the prairie in the quote above, which words represent a noun phrase? once upon a time a little girl named laura traveled in a covered wagon across the giant prairie