They all wanted to stop working because they were too tired,but ________ of them would say so.
.The two ladies are ________ the same age, but there seems to be ten years ________ them.
Paper produced every year is ________ the world's production of vehicles.
We have done things we ought not to have done and ______ undone things we ought to have done.
— Why weren't you at the meeting?— I ________ for a long distance call from my sister in America.
She will have to find some other work for she can't ________ this loud noise any more.