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must ought to need have should have
the writer had never met the woman before the writer often washed the window they both worked as cleaners they lived in a small town
With pleasure Very well How nice All right
study am going to study have studied had studied
goes went has gone had gone
the woman’s window was dirty the writer’s window was dirty the woman lived nearby the writer was nearsighted
I began to understand it it cheered me up I knew it grew light it began to get dark
a; the /; / the; / /; the
did I become when I became had I become that I became
the writer had never met the woman before the writer often washed the window they both worked as cleaners they lived in a small town
had I felt I had felt did I feel I did felt
a ; the 不填;不填 不填.; the the; 不填