Student finished unit #!trpst#trp-gettext data-trpgettextoriginal=4631#!trpen##!trpst#trp-gettext data-trpgettextoriginal=5892#!trpen#4 years#!trpst#/trp-gettext#!trpen#, #!trpst#trp-gettext data-trpgettextoriginal=4813#!trpen#1 month#!trpst#/trp-gettext#!trpen# ago#!trpst#/trp-gettext#!trpen#