The knowledge ____ in one’s childhood will make a stronger impression on him than what he learns at any other life stage.
You said boys were cleverer than girls. That is _______ I disagree.
With the rapid growth of population, the city______ in all directions in the past five years.
The question is ______can be put into practice.
The announcement ______all flight were cancelled because of bad weather greatly distressed the waiting passengers.
______surprises most of us.