填空题

__________________ (工程师设计出一种新方法)by which the production has been increased by 80 percent.

【参考答案】

The engineer worked out a new method
<上一题 目录 下一题>
热门 试题

填空题
The patient would die of the acute infection, __________________(除非病情得到控制)
填空题
I
相关试题