{"version":"1.0","provider_name":"Let&#039;s Learn English","provider_url":"https:\/\/letslearnenglish.com\/nb","author_name":"Trevor","author_url":"https:\/\/letslearnenglish.com\/nb\/author\/trevor\/","title":"Vocabulary Booster Advanced","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"dApUp4Cr0d\"><a href=\"https:\/\/letslearnenglish.com\/nb\/services\/course-outlines\/vocabulary-booster-advanced\/\">Vocabulary Booster Advanced<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/letslearnenglish.com\/nb\/services\/course-outlines\/vocabulary-booster-advanced\/embed\/#?secret=dApUp4Cr0d\" width=\"600\" height=\"338\" title=\"&laquo;Vocabulary Booster Advanced&raquo; &#8212; Let&#039;s Learn English\" data-secret=\"dApUp4Cr0d\" 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 Vocabulary Booster Advanced is an online course, consisting of 40 units of English, and providing approximately 50 hours of study for students. Course aims To give students at Advanced, CEFR C1 level practice in the lexical areas required at this level, enabling them to recognise and correctly select the vocabulary required at this level, [&hellip;]"}