please i want to change this head to english language:

\documentclass[a4paper]{article}
\usepackage{varwidth}
\usepackage{xltxtra}
\usepackage{tabularx}
\usepackage{fmultico}
\usepackage{etex}
\usepackage{xcolor}
\usepackage{tikz}
\usetikzlibrary{shadows}
\usepackage[postcorrect,noshuffle,insidebox]{automultiplechoice}
\usepackage{amsmath}\usepackage{xltxtra}\usepackage{arabxetex}
\newfontfamily{\arabicfont}[Script=Arabic,Scale=0.8]{Rasheeq}

please see attachment file.