Hi, is there anyone with a good command of English or whose first language is English who could tell me which sentence is correct based on the context of the sentence and grammatically pls ??!

1. "If I had the choice, I would go SOMEWHERE warm because it's too cold today."
"If I had the choice, I would go ANYWHERE warm because it's too cold today."

2. "I can't write my article for the moment, I don't have MUCH information. It's not enough."
"I can't write my article for the moment, I don't have SOME information. It's not enough."
"I can't write my article for the moment, I don't have ANY information. It's not enough."

3. "I don't understand why SOME pupils don't learn their irregular verbs, the majority is serious but not them !"
"I don't understand why ENOUGH pupils don't learn their irregular verbs, the majority is serious but not them !"
"I don't understand why A LOT OF pupils don't learn their irregular verbs, the majority is serious but not them !"

4. "I only got 2/20 on my test. I made ENOUGH mistakes !"
"I only got 2/20 on my test. I made MANY mistakes !"

5. "I love music but unfortunately I don't go to A LOT OF concerts."
"I love music but unfortunately I don't go to A LOTS OF concerts."
"I love music but unfortunately I don't go to MUCH concerts."

6. "I didn't realize he had MANY friends. I thought he was very popular."
"I didn't realize he had ENOUGH friends. I thought he was very popular."
"I didn't realize he had FEW friends. I thought he was very popular."

Thank you very much in advance and sorry if the way I asked my question wasn't grammatically correct or had an error :/​