He didn’t pass the final examination.He ______ it.选项:a、must have prepared for b、ought to pr
问题描述：
He didn’t pass the final examination.He ______ it.选项:a、must have prepared for b、ought to pr
答
He didn’t pass the final examination. He must have prepared for it.
答
a
答
答案都不太符合，估计没打全
答
考虚拟语气
should have prepared for it.
他本应该好好准备。
答
这俩答案都不咋样,应该有C和D呢吧.
答
B