pair

"The coffee concentrate was strong, so a little went a long way. "

"My sister and I have a strong partnership in our school project; we work well together. "

"The spectacles of urban poverty are a stark reminder of social inequality. "

"My grandmother taught me how to bake cookies when I was a child. "

"I wore my headphones to listen to music on the bus. "

"My friendship with Sarah has lasted for many years. "

"Those brass knobs and their hollow counterparts interlock perfectly"

"The parliamentary train was delayed, causing many commuters to miss their work meetings. "

"During the steep climb up the mountain, the freight train needed a doubleheader to pull all the heavy cars. "

"Construction is underway on the new bridge."

"My teacher has a good relationship with all her students. "

"to deteriorate the mind"