{"version":"1.0","provider_name":"Let&#039;s Learn English","provider_url":"https:\/\/letslearnenglish.com\/hu","author_name":"Trevor","author_url":"https:\/\/letslearnenglish.com\/hu\/author\/trevor\/","title":"Grammar Box Advanced","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"zx8HKKhSVE\"><a href=\"https:\/\/letslearnenglish.com\/hu\/services\/course-outlines\/grammar-box-advanced\/\">Grammar Box Advanced<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/letslearnenglish.com\/hu\/services\/course-outlines\/grammar-box-advanced\/embed\/#?secret=zx8HKKhSVE\" width=\"600\" height=\"338\" title=\"&#8220;Grammar Box Advanced&#8221; &#8212; Let&#039;s Learn English\" data-secret=\"zx8HKKhSVE\" 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 Grammar Box Advanced is an online course, consisting of 5 modules of English, and providing approximately 30 hours of study for students. Course aims To give students at Advanced, CEFR C1 level practice in advanced grammar structures. The course is ideal for students looking to perfect their grammatical accuracy in both written and spoken [&hellip;]"}