The old man walks past the bookshop中的past为什么填past?

The old man walks past the bookshop中的past为什么填past? the past is past in the past three past when we walked past the bookshop we heard someone____for hel The girl ______(quiet)walks past the little dog let the past be the past I know the past is the past . The past is the Past The old man is always ___ memories of the past.A The past tense of over the past century