Answer:
The correct sentence is:
Before 8 a.m., traffic is light; however, at 5 p.m., Fred always wishes that he drove a bulldozer to push other cars out of his way.
1. light;
2. No change is necessary
Explanation:
In the sentence above, a semicolon is used after the word light, to denote that two contrasting clauses are to be beside each other in the same sentence.
The use of however which is a conjunctive adverb and a comma after it is fine and should not be changed because it is used to link together two independent clauses.
Dew transforms ordinary objects into beautiful things.
Harriet Tubman: Conductor on the Underground Railroad is an interesting and well-written book that tells the story of an extraordinarily courageous and committed woman. Tubman continues to inspire those seeking dignity for all people in America. Petry's dramatization of Tubman's perseverance and sense of purpose in leading slaves to freedom shows how a motivated individual can bring about change.
Petry intends for Harriet Tubman to fill a void in an important part of United States history and asserts that "the majority of textbooks used in high schools do not give an adequate or accurate picture of the history of slavery in the United States." A completely adequate and accurate account of slavery would no doubt require many volumes, yet this biographical novel represents significant movement toward that ideal. It juxtaposes well-known historical information with details about Tubman's "underground" activities. This technique adds depth and relevance to the story of Tubman's achievements.
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