题文
Though his teachers were quite satisfied with his performance, he thought he ____ better if he had tried harder.
| A．could have done | B．should have done |
| C．ought to have done | D．must have done |
相关知识点
推荐试卷
Though his teachers were quite satisfied with his performance, he thought he ____ better if he had tried harder.
| A．could have done | B．should have done |
| C．ought to have done | D．must have done |
试题篮
()
粤公网安备 44130202000953号
