The first sentence is an interrogatory question, so a question mark is used. The second sentence is a declarative sentence and will use a period. The third sentence is an exclamatory sentence, and should use an exclamation mark at the end.
Hlo mam
is this your another account?
And ur first and official account is MUSKAAN?
Mi amor Goya and the girl that you
1st one is correct, 2nd one is build to construct, 3rd is correct, 4th is answer to reply, 5th is tell to relate, and 6th is crowd to throng. Hope this helps!