这家超市总是挤满了人This supermarket is always( ) ( )lots of people

This super market is always (packed) (with) lots of people
or
This super market is always (filled) (with) lots of people
两个都可以用，但是第二个可能会好一点

Crowded by

(crowded) (with)
be crowded with
挤满,拥塞,充满,满是
The shops are always crowded with people all round the year.
商店一年到头总是挤满了人.