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Team MCQ Buddy • 27.12K Points
Instructor II English

Q. He gave a talk . . . . . . . . the causes of dengue fever.

(A) of
(B) on
(C) for
(D) off

Correct Answer - Option(B)
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Filed under category English

Explanation by: Team MCQ Buddy

In this sentence, "on" is the correct preposition to use.

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