她在睡梦中平静地去世了。

She ___passed ___away peacefully in her sleep.

据说他父亲病得很重，医生说他父亲可能在几个月内去世。

It was said his father was very ill and his doctor had said his father could ___pass ___away in a few months.

她的祖父去年在长期患病后去世了。

Her grandfather ___passed ___away last year after a long illness.