I want to accommodate fields in this way
I have the following fields , and only the combos
1 and 3 are shown, but I do not know how to accommodate so that combos 2 and 4 come out as in the image
How could he do it?
and likewise I do not know how to accommodate the fields above, that in a single row the etiquetas
and below them the fields
I hope you can support me, thanks
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
</head>
<body>
<form class="form horizontal">
<div class="panel-info">
<div class="panel-body">
<div class="form-group">
<label class="col-lg-2 control-label">COMBO1</label>
<div class="col-lg-10">
<select class="form-control">
<option>1</option>
<option>1</option>
</select>
</div>
<br></br>
<label class="col-lg-2 control-label">COMBO3</label>
<div class="col-lg-10">
<select class="form-control">
<option>1</option>
<option>1</option>
</select>
</div>
</div>
</div>
</form>
</body>
</html>