He didn.t pass the final examination. He ______ it. (A)must have prepared for (B)ought to prepare for (C)ought to have prepared for (D)ought to prepare for
He didn.t pass the final examination. He ______ it. (A)must have prepared for (B)ought to prepare for (C)ought to have prepared for (D)ought to prepare for
发布时间：2024-05-18 03:30:12
