\documentclass[a4paper,10pt]{article}
\usepackage[ensemble]{automultiplechoice}
\usepackage{multicol}
\begin{document}

\begin{center}
Test exam
\end{center}

\begin{question}{Q1}
Who is right?
\begin{reponses}
\mauvaise{Me}
\bonne{The king}
\mauvaise{No one}
\end{reponses}
\end{question}

\begin{question}{Q2}
Who is right?
\begin{reponses}
\mauvaise{You}
\bonne{The queen}
\mauvaise{Nobody}
\end{reponses}
\end{question}

\cleardoublepage

%%% FABRICATION DES COPIES

\exemplaire{10}{    

\AMCdebutFormulaire    

\begin{center}
\textbf{\Large  Answer sheet}
\end{center}

\vspace*{0.5cm}

\begin{multicols}{2}
\AMCformS
\end{multicols}

}  

\end{document}
