<p>Activity files 11</p>

<p>Activity files 9</p>

<p>Activity files 8</p>

<p>Activity files 7</p>

<p>Activity files 6</p>

<p><strong>In this lesson, you'll review...</strong></p><p>- types and sources of energy</p><p>- the advantages and disadvantages of energy sources</p>

<p><strong>In this lesson, you'll review...</strong><br>• tourist attractions and cultures of English-speaking countries</p><p>• holidays in English meaking countries</p>

<p><strong>In this lesson, you'll review...</strong></p><p>- festivals around the world</p><p>- compare how different countries celebrate festivals</p>

<p><strong>In this lesson, you'll review...</strong></p><p>- describing and identifying personal belongs</p><p>- comparing different types of transportations</p>

<p><strong>In this lesson, you'll review...</strong></p><p>• declining invitations and expressing obligations</p><p>• describing feelings about school</p>