He has devoted most of his time and energy _______ a cure for the disease.
| A．find | B．finding | C．to find | D．to finding |
相关知识点
推荐试卷
He has devoted most of his time and energy _______ a cure for the disease.
| A．find | B．finding | C．to find | D．to finding |
试题篮
()
粤公网安备 44130202000953号
