1) The doctor diagnosed Sarah with mononucleosis, also known as mono.

2) This microscope allows you to view objects in mono or stereo mode.

3) The band released a new mono version of their latest album for audiophiles.

4) I prefer watching movies in mono sound rather than surround sound.

5) The mono railway is the most efficient way to travel around the city.

6) The company decided to use mono-colored packaging for their new product line.

7) He always wears mono-toned outfits in shades of black and grey.

8) The artist created a stunning mono portrait using only shades of black ink.

9) The mono print artist only uses a single color ink for all of his works.

10) The audio engineer mixed the track in mono before creating a stereo version for distribution.

11) I'm sorry, but it seems like you entered 'Mono' incorrectly or it may not be a suitable word to use in example sentences. Could you please provide another word for which you would like to see example sentences?