{"version":"1.0","provider_name":"Let&#039;s Learn English","provider_url":"https:\/\/letslearnenglish.com\/sl","author_name":"Trevor","author_url":"https:\/\/letslearnenglish.com\/sl\/author\/trevor\/","title":"Grammar Box Advanced Plus","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"dHj9qTsYCB\"><a href=\"https:\/\/letslearnenglish.com\/sl\/services\/course-outlines\/grammar-box-advanced-plus\/\">Grammar Box Advanced Plus<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/letslearnenglish.com\/sl\/services\/course-outlines\/grammar-box-advanced-plus\/embed\/#?secret=dHj9qTsYCB\" width=\"600\" height=\"338\" title=\"&#8220;Grammar Box Advanced Plus&#8221; &#8212; Let&#039;s Learn English\" data-secret=\"dHj9qTsYCB\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>","description":"Introduction Listen Up Advanced Plus is an online course, consisting of 12 modules of English, and providing approximately 30 hours of study for students. Course aims To give students at Advanced Plus, CEFR C2 level practice in listening passages of different kinds. The course is ideal for students who find their level of listening comprehension [&hellip;]"}