Statement #1 should be the correct answer
We can actually deduce here that the sentence will be: It has been raining <u>for</u> three hours.
<h3>What is sentence?</h3>
A sentence refers to a group of words that come together to make a complete thought having a subject and a predicate. There are complex, simple, compound, complex-compound sentences.
We see here that the above sentence is completed and has complete thought when "for" is added to the space provided.
Learn more about sentence on brainly.com/question/2818981
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To further describe the character
Romeo had been in his room crying.
Hope this helps!