<?php
add_filter( 'rwmb_meta_boxes', 'your_prefix_register_meta_boxes' );
function your_prefix_register_meta_boxes( $meta_boxes ) {
    $meta_boxes[] = array (
      'id' => 'work-settings-metabox',
      'title' => 'work settings Metabox',
      'pages' =>   array (
         'work',
      ),
      'context' => 'normal',
      'priority' => 'high',
      'autosave' => false,
      'fields' =>   array (

        array (
          'id' => 'work_image_group',
          'type' => 'group',
          'name' => 'Work Image Group',
          'fields' =>       array (

            array (
              'id' => 'image',
              'type' => 'image_advanced',
              'name' => 'image',
              'max_file_uploads' => 1,
            ),

            array (
              'id' => 'image_state',
              'name' => 'Image State',
              'type' => 'radio',
              'options' =>           array (
                'approved' => 'Approved',
                'disapproved' => 'Disapproved',
              ),
            ),
          ),
          'clone' => 1,
        ),
      ),
    );

    return $meta_boxes;
}