填空题
The first commercial jet flight was made by ______.
【参考答案】
a Boeing 707
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
填空题
Air transportation has become a major part of the world’s transportation system.
点击查看答案&解析
填空题
Military forces never use railways and motorcycles.
点击查看答案&解析
相关试题
Psychological factors also _____...
It seems obvious both to the gener...
In such a world, the chance that...
A．commoditiesB．goodsC．servicesD．some...
A．somethingB．anythingC．everythingD．n...