How can I output an array in sequence to various div's?

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I have tried many methods, the latest gives no output. Here are my codes. At other attempts, I got the array to display but not as wanted. Examples of how it's to display are these(I capitalized the strings which are from the array):
NOTE, each is a separate div which has been looped to give them similar attributes like class, The array output with the strings is added as the text content of each of the divs
My best output
The FIRST SECOND THIRD question
The FIRST SECOND THIRD question
The FIRST SECOND THIRD question

Expected Output
The FIRST question
The SECOND question
The THIRD question
HTML:
<body>
        <main>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
        </main>

JavaScript:
const myArr = ['first', 'second', 'third'];
for (let o = 0; o < myArr.length; o++){
    console.log(`The ${myArr[o]} question`)

    const divOne = document.querySelectorAll('.eachSection-class div:nth-of-type(1)');
for (j = 0; j < divOne.length; j++) {
    divOne[j].classList.add('divOne-class');
    divOne[j].textContent = `The ${myArr[o]} question`;
}
console.log(divOne);
}
 
Joined
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HTML:
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title></title>
    <style>
    
    </style>
  
  </head>
  <body>   
      <main>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
            <section>
                <div>
                    
                </div>
                <div>

                </div>
            </section>
        </main>
        <script>
        /*
Expected Output
The FIRST question
The SECOND question
The THIRD question
        */
        const divs = [...document.querySelectorAll('section div:nth-child(1)')];
        ['first', 'second', 'third'].forEach( (item, index) => divs[index].textContent = `The ${item.toUpperCase()} chapter` );
        </script>
  </body>
</html>
 
Joined
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I did it with this, the HTML remains the same:
JavaScript:
const sections = document.querySelectorAll('main section');
  for (let i = 0; i < sections.length; i++) {
    sections[i].classList.add('section-class');
  }

const divOne = document.querySelectorAll('.section-class div:nth-of-type(1)');
  for (let i = 0; i < divOne.length; i++) {
    divOne[i].classList.add('divOne-class');
  }

const myArr = ['first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh'];
for (let i = 0; i < myArr.length; i++){
  divOne[i].textContent = `The ${myArr[i]} question`;
}
 

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