Which sentence uses periods correctly?

a. the crowd on w. central ave. listened as the us anthem played.

b. the crowd on w. central ave. listened as the u. s. anthem played.

c. the crowd on w central ave listened as the u. s. anthem played.

d. the crowd on w. central ave listened as the us anthem played.

a phrase is a set of word that make a sense, an expression formed by two or more words.

" teacher´s dictum on the possession of human "

" made a pile practicing "

" lived to an impressive age and dies "

a clause, in a grammar way is a series of words that have a complete meaning.

" was irritated by the persecution of those who called themselves "

you shopuld find your answers here if you need more. the answer is the infinite variety of human nature