Ruby on Rails Dropdown

Question

First, I need to implement this HTML form in Rails, its drop-down list of languages ​​that can be selected in several ways. Secondly, what is the best approach for storing multiple languages ​​selected by the user?

<div class="button-group">
  <label class="form-control" data-toggle="dropdown">Language <span class="fa fa-angle-down"></span> </label>
    <ul class="dropdown-menu2 dropdown-menu">
      <li>
        <a href="#" class="small" data-value="" tabIndex="-1"><input type="checkbox" /> No Other Language</a>
      </li>
      <li>
        <a href="#" class="small" data-value="arabic" tabIndex="-1"><input type="checkbox" /> Arabic</a>
      </li>
      <li>
        <a href="#" class="small" data-value="french" tabIndex="-1"><input type="checkbox" /> French</a>
      </li>
      <li>
        <a href="#" class="small" data-value="spanish" tabIndex="-1"><input type="checkbox" /> Spanish</a>
      </li>
  </ul>
</div>