I am using the following code:

\starttabulate[|l|l|]
\HL
\NC {\bf Primair} \NC {\bf Secundair}      \NC\NR
\HL
\NC C en C++      \NC Java                 \NC\NR
\NC Python        \NC Perl                 \NC\NR
\NC shell-script  \NC Lisp                 \NC\NR
\NC SQL           \NC HTML-4 en JavaScript \NC\NR
\NC               \NC PHP                  \NC\NR
\NC               \NC Pascal               \NC\NR
\HL
\stoptabulate

But this uses only the necessary space. I would like to have the table using the width of the page and both columns having the same size.
Is this possible?

I found it. I should start the table with:
\starttabulate[|lw(.5\textwidth)|lw(.5\textwidth)|]

\starttabulate[|p|p|]