document.write('<div class="quoice"><div class="quoice_question"><p>The Romans used central heating systems very much like &#8211; - -.<br />(1)those of today<br />(2)today’s do<br />(3)those they do<br />(4)the systems which are now</p></div><div class="quoice_answer"><a href="http://quoice.com/answer/156?a=1">1</a> <a href="http://quoice.com/answer/156?a=2">2</a> <a href="http://quoice.com/answer/156?a=3">3</a> <a href="http://quoice.com/answer/156?a=4">4</a> </div></div>');