Answer:
1. If they could see, if they could understand, if they were programmed by humans for communicating, what story would the robots tell?
2. The city had grown. It had taken over the plazas. It had filled in the gardens. It had pushed the cats out of their usual places.
Step-by-step explanation:
The term parallelism (also called parallel structure and parallel construction) refers to the way one or more sentences consist of similar phrases or clauses that have the same grammatical structure.
The third clause of the first sentence needs to be rewritten so that the subject is they (robots). In the second example, the third sentence needs to be rewritten so that subject is It (the city) and the tense needs to be changed to the past perfect.