You ______ scold such a pupil who always keeps silent so seriously that you ______ hurt him.
Communication along with information industry __ an important part in modern times.
This group of designers ______ a plan for the project of the company.
It was ______ the second-hand bus that the mechanic spent the whole afternoon in the factory
He doesn’t think the question of ______they are boys or girls is important .
Great changes have taken place in that school. It is no longer _____it was 20 years ago, ______it was so poorly equipped.