Fill in the blanks using the correct tense (of the verb):
As I _____ (walk) through the park, I ____ (notice) that the birds _____ (stop) singing and suddenly I ____ (feel) a chill. It was as if they ____ (know) something I did not.
1
walked; noticed; had stopped; felt; knew
2
walk; notice; stop; feel; knew
3
walks; notices; have stopped; feels; knows
4
walking; noticing; stops; feeling; know