A is an article - an indefinite article. There are two indefinite articles a and an. An is used before words that start with a vowel.
eg an apple, an advance, an orangutang -- a helicopter, a fence, a peacock
The part of speech for this particular word is a noun.
The part of speech that the word my is used as is an adjective.
H is a letter, not a word. To be a part of speech, it needs to be a word.
The part of speech for the word civilian is English grammar.
The part of speech for the word diplomacy is a noun.
The part of speech for the word "boulevard" is a noun.
The word speech is a noun.
The part of speech for this particular word is a noun.
"Stroobly" is not a standard English word, so it does not have a designated part of speech.
The word speech is a noun.
The word speech is a noun.
The word speech is a noun.