题文
The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases.
| A．studying | B．studied |
| C．to study | D．to be studied |
相关知识点
推荐试卷
The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases.
| A．studying | B．studied |
| C．to study | D．to be studied |
试题篮
()
粤公网安备 44130202000953号
