The manager said that they had an _____ plan if the plan they had submitted was not accepted.
As the family planning policy has reduced the country’s number of children, the labor force’s growth has slowed down, and the aged population is ______ a larger part of the population.
It is not clear what, if________, we can do to improve this situation.
His leg was badly injured in the accident and it still ______ the marks.
After traveling all night, they were ______ for sleep.
“I did not know _______ tears were, for I lived in the Palace of Sans-Souci, _______ sorrow is not allowed to enter”, said the Happy Prince.