SAT Sentence Completion Practice Question 117: Answer and Explanation

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Question: 117

10. The crafty child tricked his innocent brother, a par-ticularly ------- and trusting boy, into committing a mischievous prank.

A. guileless
B. intrusive
C. astute
D. opportunistic
E. circumspect

Correct Answer: A

Explanation:

Explanation for Correct Answer A :

Choice (A) is correct. "Guileless" means innocent and naive. If one were to insert this term into the text, the sentence would read "The crafty child tricked his innocent brother, a particularly guileless and trusting boy, into committing a mischievous prank." The missing term characterizes a brother who is innocent, trusting, and able to be tricked. "Guileless" suggests such a person.

Explanation for Incorrect Answer B :

Choice (B) is incorrect. "Intrusive" means invasive or nosy. If one were to insert this term into the text, the sentence would read "The crafty child tricked his innocent brother, a particularly intrusive and trusting boy, into committing a mischievous prank." The missing term characterizes a brother who is innocent, trusting, and able to be tricked. A brother who is intrusive may or may not be such a person.

Explanation for Incorrect Answer C :

Choice (C) is incorrect. "Astute" means knowledgeable and wise. If one were to insert this term into the text, the sentence would read "The crafty child tricked his innocent brother, a particularly astute and trusting boy, into committing a mischievous prank." The missing term characterizes a brother who is innocent, trusting, and able to be tricked. An astute person would not likely be tricked.

Explanation for Incorrect Answer D :

Choice (D) is incorrect. "Opportunistic" means taking advantage of opportunities when they arise. If one were to insert this term into the text, the sentence would read "The crafty child tricked his innocent brother, a particularly opportunistic and trusting boy, into committing a mischievous prank." The missing term characterizes a brother who is innocent, trusting, and able to be tricked. Someone who is opportunistic may or may not be such a person.

Explanation for Incorrect Answer E :

Choice (E) is incorrect. "Circumspect" means possessing caution or prudence. If one were to insert this term into the text, the sentence would read "The crafty child tricked his innocent brother, a particularly circumspect and trusting boy, into committing a mischievous prank." The missing term characterizes a brother who is innocent, trusting, and able to be tricked. It would be hard to trick a circumspect person.

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