It is a good strategy to serve short when the receiver is in the front of the service square 

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

One of the students at your school posted akward and embarrissing pictures of another student online

If the singular term ends in -us, the plural is usually formed by changing the ending to