Are these sentences correct or wrong?

Are these sentences below correct or wrong?



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The reason Tom has got over the difficulty was is that he was not ashamed to ask others for help.



Whoever read this book was surprised to know that its author was just a ten-year-old boy [girl] .



Good-looking foods don't always taste good, and bad-looking foods usually taste bad.



However advanced our science is, we can hardly do without nature.



Yesterday I sat at the desk to read a book, but I got tired before I could read it for thirty minutes.



He used to be the richest merchant in the town, but he can no longer afford his own house.



I have no choice but to depend on her in order to keep going as an athlete.



Whatever job you get in the future, what you have experienced at this high school will help you.



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Thank you for your help.Are these sentences correct or wrong?
Here's some recommendations for your sentences. If I didn't include them below, then your version is correct...



"The reason Tom has gotten over the difficulty is he was not ashamed to ask others for help."



"Whoever reads this book may be surprised to know that the author was just a ten year old boy [girl]."



"Foods that look good don't always taste good as bad-looking foods usually taste bad."



"Regardless of our advance in science, we can hardly do without nature."



"Yesterday I sat at the desk to read a book but grew tired before thirty minutes into the reading."



"In order to keep going as an athlete I had no choice but depend on her."



"Your experience at this high school will help you in the future with your job."

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