Which one comes between kayak and keep? dose karat, keep or kerosene come between kayak and keep? i need an answer asap

What does the simile add to the passage

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.

Which form does a verb take when the subject receives the action? passive active imperative indicative