——Why are the housing prices in big cities going up all the time?——One reason is that people are__________ into overcrowded cities in great numbers.
After that, he knew he could _____ any difficulty by doing what be could to the best of his ability.
I’m calling to ask about the position ________ in yesterday’s China Daily.
Who can think of a situation __________ this idiom can be used?
I asked him how much ________________.
As we all know,parents are concerned ________their children’s study,because it is concerned ________their future.