Read each sentence and click on each word that is a preposition. It is possible for a sentence to have no preposition. If that is the case leave all words unchecked. There could also be more than one preposition per page.
When checking your answers, the computer analyzes the sentence from the bottom up. And it can tell you only one mistake at a time.
Telephones carry the most germs in an office.
The place where you rest your hands on your desk is home to 10 million bacteria at any given time.
Office desks have 400 times more bacteria on them than toilet seats.
Hourly wages for 80 percent of U.S. workers have risen by just 1 percent after inflation since 1979.
Almost 80 percent of workers admit that they have, or would consider, stealing from their employers.
Approximately 740 million people worldwide are plagued with hookworm.
Blowing your nose when you have a cold generates enormous pressure and propels mucus into the sinuses.
If you wear a ring, the number of germs living beneath it could be equal to the entire population of Europe.
A sneeze expels germ-filled droplets up to thirty feet.
A thirty-two-year-old woman fell from a roller coaster at Holiday World and Splashin’ Safari theme park in Santa Claus, Indiana in 2003 and was killed.
Almost 50 percent of men and 24 percent of women do not wash their hands after their trip to the bathroom.
Flushing the toilet can propel small drops of aerosolized fecal matter through the air for almost twenty feet, potentially landing on every surface in your bathroom.
The United States has 2.3 million people behind bars.
When a body was mummified in Ancient Egypt, the brain was removed through the nostrils.
The moon is moving away from Earth at a rate of 3.8 centimeters per year.
The longest case of hiccups on record lasted sixty-nine years.
Some of the most prestigious libraries in the United States have books bound in human skin.
The Iron Maiden was an upright coffin with interior spikes used in Medieval torture.
Someone inside an Iron Maiden had their lungs and eyes pierced by the spikes.