You are a careful reader is the correct answer
There isn't is more common way to say because people refer it to a shorter way of speaking
Correct usage, but there is some incorrect grammar.
In the story, Rainsford tried to take Zaroff out but fails everytime, even though his efforts were futile, Rainsford kept trying to survive the hunt.
You have to keep the tenses consistent. First you used past (tried) then you used present (fails).
Also, this sentence can be made into two; it is a run-on sentence.
Here's my revision: In the story, Rainsford <span>tried </span>to take Zaroff out but <span>failed </span>every time; but even though his efforts were futile, Rainsford kept trying to survive the hunt.
Since both sentences are related, I've linked them with a semicolon.
All of the Above
All of these tips will help make the test day go smoothly and increase the chance of you performing well. Making sure you've slept and eaten, and have water and a snack available to you will help you avoid being hungry or distracted/tired during the test. Having all forms completed will make signing in and out less stressful (one less thing to worry about!), and having a sweater will help you feel comfortable in case the room gets cold or warm.