Henry said he stayed at home all day, but I saw him in the supermarket. It’s __________that he was lying.
_____ basic first-aid techniques will help you respond quickly to emergencies.
Mary worked here as a ____ secretary and ended up getting a full-time job with the company.
As the world’s population continues to grow, the ___of food becomes more and more of a concern.
—Pardon?Who will come? —________.
One way to understand thousands of new words is to gain ________ good knowledge of basic word formation.