Read the sentence. she could have been an olympic figure skater, but she has quit practicing. what is the linking verb in the sentence? could have been have been has quit could have

What is the best way to improve the conclusion? add a sentence to the ending that summarizes the writer’s topic. add a sentence to the middle that reflects on the writer’s experiences. revise the final sentence to have a different tone. revise the first sentence to state a future goal.