fall to
• (of a task) become the duty or responsibility of someone.
• "it fell to me to write to Shephard"
Similar:
be the responsibility of,
be the duty of,
be borne by,
be one's job,
be one's task,
come someone's way,
fail,
be unsuccessful,
come to nothing,
come to naught,
fail to happen,
miscarry,
abort,
go awry,
be frustrated,
collapse,
founder,
come to grief,
come to a halt,
grind to a halt,
end,
terminate,
fizzle out,
flop,
fold,
come a cropper,
blow up in someone's face,
go down like a lead balloon,
• begin to do something.
• "he fell to musing about how it had happened"
