Final answer:
The subject of this question is English, and the correct answer is 'jumped/sprinted' because the action has already happened.
Step-by-step explanation:
The subject of this question is English, as it involves filling in the blanks and choosing the correct verbs to complete a sentence.
The correct answer to the question is 'jumped/sprinted'. This is because the sentence is in the past tense, and the action of jumping and sprinting has already been completed.
Therefore, the progress bar will move unevenly as the runners have already jumped over the last hurdle and completed their action towards the finish line.
Learn more about Completing sentences with correct verbs