Eating too much fat can ______ heart disease and cause high blood pressure.

Why don’t you ______ it to his attention that you are too busy to go on working?

The old lady likes to keep things in the house, _____ throw them away, though many are useless. 

The book that was _______ to me is not as interesting as Jane’s

The more one is ______the English-speaking environment, the better he or she will learn the language.