Finding information in today's world is easy.The ________ is how you can tell if the information you get is useful or not.
Although everything seems to have been taken into consideration,accident can happen when the astronauts walk in space.
She wasn’t a much older tennis player but he had the great ______ of experience about games.
I think you should complain----______, of course, you are happy with the way things are.
Only when Tom fully recovered ______ back to work.
----Has Tom already finished his new story? ----I have no idea. He ______ it last month.