The jet engine is a more powerful mechanism than a propeller. _________ turbines, compressors, and fans operate at high speeds to generate thrust.
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writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
Its
B
Their
C
Her
D
His
Correct Answer: A
Choice A is the best answer. The antecedent is "The jet engine" (singular, inanimate). The correct possessive pronoun is "Its."