—Hey, Mike. An Indian man recently sang for 80 hours straight, setting a new Guinness world record.—Really? It’s really a(an) __________ feat(本事).
We forgave his bad temper because we knew that his son's illness had put him under great _____.
The reference she made to her friend, the poet, was interesting but too _____ for anyone to appreciate.
. He _____ his engagement just before the wedding.
When she heard from the hospital that her father had died, she _____ into tears.
. Your help is _____ for the success of the project.