In summer people often wear dark glasses as ______ against the bright sunshine.
_____the days went on , the weather got colder ..
The most important thing about cotton in history is _____ part that it played in _____ Industrial Revolution.
—What do you think of the manager of your company? —Oh, he is ________ manager who’s pleasant to work with. It’s ________ pleasure to work with him.
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
—What about ____ book? —It’s too difficult ____ book for beginners.