Mormons in English speaking countries do, but no not all of them do.
"He does not", or, "he doesn't speak English" would be correct. It would never be 'he do not speak English,' as that is incorrect grammar.
yes, some of them speak english.
"I can't speak English!" in English is Non parlo l'inglese! ("I don't speak English!") in Italian.
I will speak in english better
yes they did speak English
Yes he can speak English but he prefers to speak spanish
No, Adam spoke the Adamic language, which predated English considerably. Belief in the existence of the Adamic language is common among Jews, some Christians, and Mormons. However, most non-religious scholars doubt the existence of Adam and therefore of the Adamic language.
Ryeowook can speak english a little.
he can speak spanish and english
Yes the Celts do speak English
They did not speak English they spoke Greek.
But I do speak English, you are obviously misinformed.