We are at your service. Don’t ________ to turn to us if you have any further problems.
____ volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.
The trade union in this industry are ____ any reduction in wages.
Children under six are not __________to school except those of extraordinary intelligence.
He was so____ a key university that he would work until late into the night.
They also agree that it is the burning of more and more fossil fuels that has resulted ____ this increase in carbon dioxide.