Which sentence is correct? My favorite food is hamburger. My favorite food is hamburgers?

Can you pronounce big, bog, beg bag, beg in American English? Have you ever had a native English speaker from the United States judge your pronunciation when you speak? Have you ever had one of them give you corrections and help you improve your pronunciation so you can sound clear and completely understandable to a native English speaker?

‘My understanding is that the world doesn’t either understand what’s going on there or it’s being intentionally ignored and silenced.’ I heard someone saying this on a podcast show, and since I've never heard before to use ‘do/does not’ before ‘either/ or’, it sounds kind of strange to me. So can you tell me if there's anything grammatically incorrect there? Thanks!!

‎I was arriving at the station,when it started raining When I was arriving at the station,it started raining ↑what's the difference between the two sentences ？

‎I was arriving at the station,when it started raining When I was arriving at the station,it started raining ↑what's the difference between the two sentences ？

Does anyone issue with payment now? Especially if someone is from Poland and try to pay via "Polski przelew natychmiastowy"?

Why do we say Baked Cookies and Cooked Bacon? Has anyone ever asked themselves that question?

Attention Spanish/English bilingual Italkers, I wonder what the saying "Don't put your money where your mouth is" means. Does anyone know an equivalent saying in Spanish? Gracias!

Happy Halloween!