<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<form>
<div class="row">
<div class="col-xs-6">
<input type="text" class="form-control">
</div>
<div class="col-xs-6">
<input type="text" class="form-control">
</div>
</div>
<br>
<div class="row">
<div class="col-xs-3">
<textarea class="form-control"></textarea>
</div>
<div class="col-xs-4">
<textarea class="form-control"></textarea>
</div>
<div class="col-xs-5">
<textarea class="form-control"></textarea>
</div>
</div>
<br>
<div class="row">
<div class="col-xs-3">
<select class="form-control">