opposites

"Oil may be used as an additive in gasoline to improve the lubrication of a small engine."

"The addition of five more items to the agenda will make the meeting unbearably long."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The empty pizza box and crumbs on his face are arguing that my son ate the last slice. "

"My brother's opinion is the opposite of mine on the best way to study for the exam. "

"“rich” is an antonym of “poor”; “full” is an antonym of “empty”"

"321 is the inverse of 123."

"Please completely fill in the box for your answer, using a number 2 pencil."

"My family has a different ideal for my future than I do. "

"During the crackdown, many opponents of the regime were arrested."

"The contrary of a good report card is a bad one. "

"The subtraction of 5 from 12 is 7. "