I’m pretty sure it’s “The roof was pelted by hail.”
Answer:
D: communities that use the latest digital technology, particularly computer systems that respond to input from networks of sensors, to deliver city services efficiently and improve urban life
Explanation:
This links back to the main idea of the passage and the writer wants a sentence in order "to help clarify the central concept of the essay."
Solving problems and sharing skills and experiences with a colleague can take place in activities as simple as asking a colleague to eat lunch with you each day or a few times each week (A). Having lunch with a colleague can really help you to establish a relationship since it creates a relaxed enviroment where you two can share experiences and talk about daily situations. As you will feel confortable, you are sure to open up a bit more.
Imaginary because you are only imagining what it would look like after it is done constructing.
