Unit 13 : The Island with a secret

<ul>
<li class="CxSpFirst" style="margin-left:8px; text-align:justify"><em><span lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Grammar : Adverbs of frequency</span></span></span></em></li>
<li class="CxSpMiddle" style="margin-left:8px; text-align:justify"><em><span lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Vocabulary : Time words and expressions</span></span></span></em></li>
</ul>

<p style="margin-top:4px; text-align:justify; margin-bottom:13px"><em><span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Arial,sans-serif"><span style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Lesson 18 </span></span></span><span lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">: H&ograve;n đảo với b&iacute; mật</span></span></span></span></span></span></em></p>

<ul>
<li class="CxSpMiddle" style="margin-left:8px; text-align:justify"><em><span lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Ngữ ph&aacute;p: Trạng từ chỉ tần suất</span></span></span></em></li>
</ul>

<p><em><span lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Từ vựng :C&aacute;c từ chỉ thời gian v&agrave; c&aacute;c cụm từ diễntả thời gian</span></span></span></em></p>