{"version":"1.0","provider_name":"Let&#039;s Learn English","provider_url":"https:\/\/letslearnenglish.com\/et","author_name":"Trevor","author_url":"https:\/\/letslearnenglish.com\/et\/author\/trevor\/","title":"Vocabulary Booster Upper Intermediate","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"CGOjTAlgZV\"><a href=\"https:\/\/letslearnenglish.com\/et\/services\/course-outlines\/vocabulary-booster-upper-intermediate\/\">Vocabulary Booster Upper Intermediate<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/letslearnenglish.com\/et\/services\/course-outlines\/vocabulary-booster-upper-intermediate\/embed\/#?secret=CGOjTAlgZV\" width=\"600\" height=\"338\" title=\"&#8220;Vocabulary Booster Upper Intermediate&#8221; &#8212; Let&#039;s Learn English\" data-secret=\"CGOjTAlgZV\" 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 Upper Intermediate 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 Upper Intermediate, CEFR B2 level practice in the lexical areas required at this level, enabling them to recognise and correctly select the vocabulary required at [&hellip;]"}