Who can solve the problem? (Passive) A By whom the problem can be solved? B By whom could the problem be solved? C The problem can be solved by whom? D By whom can the problem be solved? Who can solve the problem? (Passive) Correct Answer By whom can the problem be solved? Bissoy MCQ Team Jun 06, 2023 English Passive voice Bangladesh University of Professionals (BUP) Faculty of Security and Strategic Studies(FSSS) 2020-2021
