If you don't keep up with routine maintenance, the wooden deck will quickly deteriorate from sun and rain exposure. What is the correct synonym/definition for deteriorate?

The student council voted unanimously to abolish the school's old policy on mandatory uniforms, allowing students to wear their own clothes.  What is the correct synonym/definition for abolish?

The history teacher asked the students to arrange the main events of World War II in chronological order, from the earliest date to the latest. What is the correct synonym/definition for chronological?

The opposing team's starting lineup was so tall and experienced that they presented a formidable challenge in the championship game. What is the correct synonym/definition for formidable?

We quickly got lost inside the ancient hedge labyrinth because all the paths looked exactly the same. What is the correct synonym/definition for labyrinth?

I inadvertently pressed the wrong button on the remote, causing the entire television to turn off during the climactic scene of the movie. What is the correct synonym/definition for inadvertently?

The valedictorian delivered an eloquent speech that was both moving and beautifully expressed, receiving a standing ovation from the crowd. What is the correct synonym/definition for eloquent?

Plausible Sentence: Although his excuse for being late was highly creative, the teacher didn't find it plausible because it relied on a flock of migrating geese. What is the correct synonym/definition for plausible?

Their coach developed a new tactic for the final quarter, which involved confusing the defense with a series of quick passes. What is the correct synonym/definition for tactic?

Due to the unpredictable weather, the temperature could fluctuate wildly, going from a high of 70 degrees one day to below freezing the next.  What is the correct synonym/definition for fluctuate?