Which choice best describes the sentence and explains how to improve it? after taking tickets and the guests find their seats, sergio sat in the back and enjoyed the concert. a. this sentence is complete and correct. it does not need any revision. b. this is a comma splice. change the comma to a period to make two complete sentences. c. this is a fragment without a predicate. add a verb to show what the subject is doing. d. this is a rambling sentence. eliminate some conjunctions. mix short and long sentences.

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.

Armed with invisible ink, a cipher system, and a passion to end the war and preserve the union, elizabeth van lew became butler's eyes and ears in the confederate capital city. truth be told, however, she became much more than that. she became a spymaster, the person responsible for running a network of agents, couriers, and safe houses that was very active during the war. in addition to the spying, elizabeth van lew continued to maintain her church hill home as a safe house and something of a local union spy headquarters. —the dark game, paul janeczko what is the central idea of this passage? van lew’s home was used as a safe house, which was critical to the confederacy. van lew had a passion to end the war and preserve the union. van lew was a spymaster, a leading force in the espionage activities for the union. van lew did not enjoy working for general butler.

What mistakes are there in the sentence sarahas hands were cold and clammy