thwarting

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

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

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

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

"My mother's instance that I finish my homework before dinner was quite strong. "

"Our plans for a picnic were thwarted by the thunderstorm."

"The moving company used cardboard boxes to pack all the family's belongings. "

"The fallen tree obstructs the road, making it impossible to drive through. "

""The baseball game was canceled because a severe thunderstorm was approaching." "

"The teacher placed the papers crosswise on the desk so everyone could see them easily. "

"The fallen tree was obstructing the path to the school. "

"The pipe is blocked."