Which preposition correctly completes the sentence: 'What is the cause ____________ the issue?'

English Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
English Mcqsenglish-mcqs
Published
30 Dec 2019
Last updated
28 May 2026

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Explanation

The correct preposition to use after 'cause' when referring to a problem is 'of'. Therefore, 'the cause of the problem' is the proper phrase. Other options like 'on', 'about', or 'in' do not fit grammatically in this context.

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