chủ động ->bị động 1 theey started a dancing class lats week 2 Mr Smith saw the accdent 3 somebody has taken my briefcase 4 the teacher returned our witten work tous 5 she has finished the report by noon

<div class="content-answer-1 enable-event-click" style="overflow-x:auto;text-justify:inter-word;text-align:justify"><p>1. A dancing class was started last week<br><br>2. The accident was seen by Mr Smith<br><br>3. My briefcase has been taken<br><br>4. Our written work was returned to us by the teacher<br><br>5. The report has been finished by noon</p></div><div class="pt12"><div></div></div>