vacillate

"The seamstress used a sturdy between to create a precise, even stitch on the thick upholstery fabric. "

"I'm unsure about the best way to prepare for the upcoming history test. "

"The normal course of events seems to be just one damned thing after another."

"My opinion is that we should have more recess time at school. "

"The leaky faucet in the kitchen is a problem that needs fixing. "

"He is a student of life."

"The student's action of studying diligently improved her grades. "

"A pendulum oscillates slower as it gets longer."

"The student vacillated between choosing the history essay or the science project, unable to decide which one he preferred. "

"I chose a nice ripe apple from the fruit bowl."

"There is one sterling and here is another"

"We challenged the boys next door to a game of football."