Vitamins ......................... very valuable in protecting the body against harm.

The new bridge ......................... before the end of next month.

In 1849, Walter Hunt, ......................... American inventor, patented a design that served as the basis for modern safety pins.

Henry Ford, ........................., was an outstanding innovator.

Samuel Clemens, ......................... under the pen name Mark Twain, created characters that reflected purely American life.

Concert tickets ......................... at the box office.

I ......................... your keys on the table by the bed last night.