Every car, truck, and bus _______________ to our air pollution problem.

John and (I, me) are going. 

Epithelial cells – as for example those building your mouth’s mucosa – are

The Adventures of Huckleberry Finn _______________ a novel by Mark Twain.

Fifty cents _______________ what I owe you.

Samantha took (they, them) with her when she left this morning. 

Dense ______ connective tissue forms the tendons and ligaments.

Each of the new singing groups _______________ to develop an individual style.

The tiny storms cannot be identified as hurricanes therefore, they are called neutercanes.

Recently, there _______________ been a great many changes in our system of education.