vacillation

"You must do your homework before you can watch television."

"The strong wooden beams are staying the roof of the old house. "

"I was going to go shopping, but I went dancing instead."

"The constant noise from the construction site made it hard to concentrate on my homework. "

"His indecision about which college to attend caused him a lot of stress. "

"The college of teachers collaborated on a new curriculum for the school. "

"My favorite position in the classroom is near the window. "

"Many students invite their parents to school events. "

"It frustrates me to do all this work and then lose it all."

"The tadpole changed into a frog.   Stock prices are constantly changing."

"The complicated instructions on the new software difficult me from completing the project on time. "

"The location of the school library is on the second floor. "