Why can't i see approved comments ?

Hi, In my blog, comment form working well but not showing approved comments.

My codes

comments.php

<?php
$args = array(
    'fields' => apply_filters(
        'comment_form_default_fields', array(
            'author' =>'<p class="comment-form-author">' . '<input id="author" placeholder="Your Name (No Keywords)" name="author" type="text" value="' .
                esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' />'.
                '<label for="author">' . __( 'Your Name' ) . '</label> ' .
                ( $req ? '<span class="required">*</span>' : '' )  .
                '</p>'
                ,
            'email'  => '<p class="comment-form-email">' . '<input id="email" placeholder="[email protected]" name="email" type="text" value="' . esc_attr(  $commenter['comment_author_email'] ) .
                '" size="30"' . $aria_req . ' />'  .
                '<label for="email">' . __( 'Your Email' ) . '</label> ' .
                ( $req ? '<span class="required">*</span>' : '' )
                 .
                '</p>',
            'url'    => '<p class="comment-form-url">' .
             '<input id="url" name="url" placeholder="https://your-site-name.com" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /> ' .
            '<label for="url">' . __( 'Website', 'domainreference' ) . '</label>' .
               '</p>'
        )
    ),
    'comment_field' => '<p class="comment-form-comment">' .
        '<label for="comment">' . __( 'Let us know what you have to say:' ) . '</label>' .
        '<textarea id="comment" name="comment" placeholder="Express your thoughts, idea or write a feedback by clicking here & start an awesome comment" cols="45" rows="8" aria-required="true"></textarea>' .
        '</p>',
    'comment_notes_after' => '',
    'title_reply' => '<div class="crunchify-text"> <h5>Please Post Your Comments & Reviews</h5></div>'
);

single.php

<?php
/*
Template Name: Single page
*/
?>
<?php get_header();?>

<div id="the-content">

<div id="page_content">

<div id="content">

        <?php query_posts('post_type=post&post_status=publish&posts_per_page=10&paged='. get_query_var('paged')); ?>

  <?php if( have_posts() ): ?>

        <?php while( have_posts() ): the_post(); ?>

      <div id="post-<?php get_the_ID(); ?>" <?php post_class(); ?>>
		<div id="this-post">
			<div class="post-date"><?php the_date(); ?></div>
			<div class="post-comment"><?php comments_popup_link(__('0 comments','example'),__('1 comment','example'),__('% comments','example')); ?></div>
		</div>
		<div id="post-content">
          <div class="post-image"><?php the_post_thumbnail( array(200,220) ); ?></div>
	<div class="post-title"><h2><?php the_title(); ?></h2></div>
	 <div class="post-excerpt"><?php the_content(); ?></div>
		</div>
      </div><!-- /#post-<?php get_the_ID(); ?> -->
<div style="clear:both;"></div>

<div class="comment-form">
<?php comment_form(); ?>
</div>
        <?php endwhile; ?>
  <?php else: ?>
  <?php endif; wp_reset_query(); ?>

  </div><!-- /#content -->
</div><!--End the-content div-->
<?php get_sidebar();?>
</div>
<?php get_footer();?>

Nothing mentioned in functions.php

please help me to solve this issue !

– Thank You-