86-What schools teach in a certain subject or at a particular grade level still varies ---------- among states and countries. 1) suddenly 2) actually 3) gradually 4) widely
\textbf{86-} \textbf{What schools teach in a certain subject or at a particular grade level still varies ---------- among states and countries.}
\noindent 1) suddenly \quad 2) actually \quad 3) gradually \quad 4) widely
\noindent