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100

The teacher explained the concet, but some of the students still found it diffecult to comprahend, so she offered extra help.

The teacher explained the concept, but some of the students still found it difficult to comprehend, so she offered extra help.

100

my cousin was the lead singer, and she did an amazing job.

My cousin was the lead singer, and she did an amazing job.

100

He loves playing the guitar, but, he’s also interested in learning piano, drums and violin.

He loves playing the guitar, but he's also interested in learning piano, drums, and violin.

100

I think I did well on the test, but I still felt nervous waiting for the results.

Add/Remove: Remove "waiting for the results" to simplify.
Corrected: "I think I did well on the test, but I still felt nervous."

100

What is the name of the fictional African nation that Black Panther is king of?

Wakanda

200

The resarchers have found singificant evidence to support their hypothsis, but they need more data to confirm the results.

The researchers have found significant evidence to support their hypothesis, but they need more data to confirm the results.

200

delegates from around the world attended, including leaders from france, canada, and japan.

Delegates from around the world attended, including leaders from France, Canada, and Japan.

200

The conference was amazing, the speakers were insightful, the food was great, and the location was perfect!

The conference was amazing The speakers were insightful the food was great, and the location was perfect!

200

She really wanted to go to the concert, but she couldn’t afford the ticket because her parents wouldn’t allow it.

Add/Remove: Add "unfortunately" to express regret.
Corrected: "She really wanted to go to the concert, but unfortunately, she couldn’t afford the ticket because her parents wouldn’t allow it."

200

Which DC villain is known for having a plan for every situation, often battling Batman and other heroes in Gotham?

The Riddler (Edward Nygma).

300

Despite the fact that she was tired, she continued to work dilgently, finishing the assingment before the deadline.

Despite the fact that she was tired, she continued to work diligently, finishing the assignment before the deadline.

300

i'm planning to attend the workshop on monday afternoon in the science building.

I'm planning to attend the workshop on Monday afternoon in the Science Building.

300

She had many goals for the year: study harder, get in shape, save money, and travel more; but, she got distracted.

She had many goals for the year: study harder, get in shape, save money, and travel more. But she got distracted.

300

Even though she was nervous about performing in front of such a large audience, she did a fantastic job with her speech.

Add/Remove: Add "in the end" to emphasize the outcome.
Corrected: "Even though she was nervous about performing in front of such a large audience, she did a fantastic job with her speech in the end."

300

What is the name of Thor's hammer, and who is the only other character (besides Thor) to be able to lift it in the MCU?

Thor’s hammer is called Mjolnir, and the only other character who can lift it in the MCU is Captain America (in "Avengers: Endgame").

400

The resercher’s findings were both enlighting and controversial, which sparked heated debate among the scientific comunity.

The researcher’s findings were both enlightening and controversial, which sparked heated debates among the scientific community.

400

on the first day of school, we met our teacher, mr. johnson.

On the first day of school, we met our teacher, Mr. Johnson.

400

The team has been practicing every day this week and they’ve improved so much; they’re ready for the big match on Saturday?

he team has been practicing every day this week, and they’ve improved so much. They’re ready for the big match on Saturday!

400

The new movie received mixed reviews from critics, some praised the acting, while others thought the plot was too predictable.

Add/Remove: Remove "some" to make it more concise.
Corrected: "The new movie received mixed reviews from critics, praising the acting while others thought the plot was too predictable.

400

Which Marvel superhero was the first to appear in Marvel Comics in 1961?
 

The Fantastic Four (specifically, the Human Torch in the first appearance).

500

Although she was nervious about prezenting her ideas, she pushed through her fears and deliverd a confedent speech.

Although she was nervous about presenting her ideas, she pushed through her fears and delivered a confident speech.

500

"i've always wanted to visit the empire state building and see a broadway show.

I've always wanted to visit the Empire State Building and see a Broadway show.

500

The presentation was scheduled for 3 p.m. however it was delayed so we all went to the cafeteria and waited for an update.

The presentation was scheduled for 3 p.m.; however, it was delayed, so we all went to the cafeteria and waited for an update.

500

Although the concert was incredibly fun, it was also quite loud, and I needed to take a break for a few minutes to recover from the noise.

Add/Remove: Remove "for a few minutes" to make the sentence more concise.
Corrected: "Although the concert was incredibly fun, it was also quite loud, and I needed to take a break to recover from the noise.

500

Which superhero has both Marvel and DC versions, and is one of the most famous “crossover” characters?

The Hulk (Marvel) and The Incredible Hulk (DC, in a crossover event). However, more famously, Superman and The Hulk have been involved in crossover stories between both publishers.