لا اتفق مع هذا الحل ( المصدر Practical English Usage
In some common fixed expressions to do with place, time and
movement, normally countable nouns are treated as uncountables, without articles. Examples are:
to! at! in! from school! university! college
to/at/in/into/from church bed/prison
toi /in/into/out of hospital (BrE) to!atlfrom work
A is usually dropped before part of if there is no adjective.
Part of the roof was missing. (B uT A large part of the roof was missing