To save electricity and your monitor’s life, click the Power button at the bottom of the Screen Saver tab

a) increase

b) extend

c) enlarge

d) expand

Fresh air and exercise _______ to good health.

a) invest

b) inlay

c) increase

d) contribute

A _____ of the muscle layer is a powerful blood supply and

Innervation.

a) peculiarity

b) peculiarity

c) pecuiliarity

d) peculliarity