It is of great importance _______ parents say and do in family life, which may have a life-long effect on their children.

After the death of her mother, the girl was sold to a rich man just in the neighboring area, from _______ house she tried to escape twice.

—Mum, Dad ought to stop working?
—Yes, he has a bad headache because he _______ too long.

Ding Junhui plays _______ Gary Wilson in the semifinal of the 2015 World Snooker China Open in Beijing, April 4, 2015.

—I’m afraid the project may be several days behind schedule due to bad weather.
—Don’t worry. Three more assistants will be _______ in no time at all.