tier

"Pit row was abuzz with activity."

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

"The mouse-mat overlapped the edge of the desk."

"This question arises frequently."

"My sister is very helpful, especially when it comes to organizing things. "

"The efficiency of the planning department is deplorable."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The teacher explained the lesson thoroughly throughout the entire class period. "

"The software update focused on optimization of battery life, so phones could last longer on a single charge. "

"Here are some options: * "I tripped because my shoelaces were untied." * "He had to stop and tie his shoelaces before running the race." * "New shoes often come with long shoelaces." "

"Participating in the school's debate club is an extracurricular activity. "

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