You _harder. Then you wouldn't have failed the test. A Should have studied B must have studied C should study D must study You _harder. Then you wouldn't have failed the test. Correct Answer Should have studied Bissoy MCQ Team May 30, 2023 English Sentence Completion চট্টগ্রাম বিশ্ববিদ্যালয় D ইউনিট : ২০০৮-২০০৯