Respuesta :
For the first question, item D is correct because you'll need to place a comma before and after parenthetical elements: "The beach, which closes after Labor Day, has white sand."
For the second question, item D is correct because commas are only needed for a series of three or more elements; thus, no commas are needed: "I bought a beautiful pitcher and eight glasses."
For the third question, there are no commas needed; thus, item A is the correct sentence: "The music made me sleepy."
For the fourth question, item C is the correct response because commas are needed after subordinate clauses that begin a sentence: "As the band marched across the field, the crowd cheered."
For the fifth question, item D is the correct response because in order to keep from having a run-on sentence a comma is always needed before a conjunction that is connecting two complete sentences: "He works long hours, yet he keeps up with his studies."
For the second question, item D is correct because commas are only needed for a series of three or more elements; thus, no commas are needed: "I bought a beautiful pitcher and eight glasses."
For the third question, there are no commas needed; thus, item A is the correct sentence: "The music made me sleepy."
For the fourth question, item C is the correct response because commas are needed after subordinate clauses that begin a sentence: "As the band marched across the field, the crowd cheered."
For the fifth question, item D is the correct response because in order to keep from having a run-on sentence a comma is always needed before a conjunction that is connecting two complete sentences: "He works long hours, yet he keeps up with his studies."
the first one is D. the second one is D. the third one is A. the forth one is C. the last one is D.