<p>Сделать предложения вопросительным</p>
<p>Jack wrote a book about animals.</p>
<p>My friends were in the circus.<br />Sam cleaned his room in the morning. </p>

Jack wrote a book about animals.Did Jack write a book about animals?My friends were in the circus.Were my friends in the circus?Sam cleaned his room in the morning.Did Sam clean his room in the morning?