The woman sold the eggs _____ seven dollars and they were sold ____ half price.
-----when has the country been open to international trade?-----1978, I suppose.
At the meeting they discussed three different____to the study of mathematics.
Math is_______ mathematics.
Mary wanted to travel around the world all by herself, but her parents did not___her to do so.
—You look tired. —Yes. I _____ non-stop until twelve o’clock.