sentence. transportation planning” is essential information defining “In what the are. “careers” Choice D is not the best answer because it introduces an unnecessary comma after the word incorrectly setting off the subject of “planning,” the sentence (“people who pursue careers in transportation planning”) from the predicate (“have a wide variety of educational backgrounds”). Link back to . Link back to . Explanation for . (Follow link back to original question.) Subscore: Standard English conventions Skill: Sentence structure Objective (focus): Students must recognize and correct problems in coordination and subordination in sentences. Difficulty: Hard Key: A Choice A is the best answer because it uses a comma to effectively subordinate the list of varied fields in which transportation planners major. Choice B is not the best answer because the comma and coordinating conjunction result in an ungrammatical sentence. “and” Choice C is not the best answer because the coordinating conjunction along with the subordinating conjunction result in an “and” “which” ungrammatical sentence. Choice D is not the best answer because it is unclear from this construction to what exactly the subordinating conjunction “which” refers. Link back to . Link back to .
sentence. “In transportation planning” is essential information defining what the “careers” are. Choice D is not the best answer because it introduces an unnecessary comma after the word “planning,” incorrectly setting off the subject of the sentence (“people who pursue careers in transportation planning”) from the predicate (“have a wide variety of educational backgrounds”). Link back to . Link back to . Explanation for . (Follow link back to original question.) Subscore: Standard English conventions Skill: Sentence structure Objective (focus): Students must recognize and correct problems in coordination and subordination in sentences. Difficulty: Hard Key: A Choice A is the best answer because it uses a comma to effectively subordinate the list of varied fields in which transportation planners major. Choice B is not the best answer because the comma and coordinating conjunction “and” result in an ungrammatical sentence. Choice C is not the best answer because the coordinating conjunction “and” along with the subordinating conjunction “which” result in an ungrammatical sentence. Choice D is not the best answer because it is unclear from this construction to what exactly the subordinating conjunction “which” refers. Link back to . Link back to .