So many uses have been discovered for this wood __________ the supply of white pine is becoming smaller and smaller.
I had wanted to help you last night but I couldn’t spare any time, for I ______ a composition which I have to hand in this morning.
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 .