From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: If it rains, the ex...

Answer Details

The best option that completes the sentence is "won't it". This is because it is used to express the speaker's belief or assumption that the exhibition will be cancelled if it rains. The use of "will" in the first part of the sentence indicates that the condition (rain) will trigger the consequence (cancellation), and "won't it" is a tag question that seeks confirmation or agreement from the listener.