题文
It is reported that the scientists in Europe are _____ all possible ways to control it.
| A．operating |
| B．designing |
| C．replacing |
| D．exploring |
推荐试卷
It is reported that the scientists in Europe are _____ all possible ways to control it.
| A．operating |
| B．designing |
| C．replacing |
| D．exploring |
试题篮
()
粤公网安备 44130202000953号
