You had better____ harder, or you will fail the test. A Study B studied C studying D to study You had better____ harder, or you will fail the test. Correct Answer Study Bissoy MCQ Team May 30, 2023 English Sentence Completion চট্টগ্রাম বিশ্ববিদ্যালয় D ইউনিট : ২০১০-২০১১