\documentclass[a4paper]{article}
\usepackage[spanish]{babel}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}

\usepackage[box,completemulti]{automultiplechoice}
\begin{document}

%%% preparation of the groups

\element{histoire}{
\begin{question}{open}
  Define \emph{inflation}.
  \AMCOpen{lines=5}{\wrongchoice[W]{w}\scoring{0}\wrongchoice[P]{p}\scoring{1}\correctchoice[C]{c}\scoring{2}}
\end{question}
}

%%% copies

\onecopy{10}{

%%% beginning of the test sheet header:

\insertgroup{histoire}

\clearpage

}

\end{document}
