The companies are working together to create they hope will be the best means of transport in the 2...
2022-12-03 21:24:13 68次 2013-2014学年四川省绵阳市高三12月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The companies are working together to create
they hope will be the best means of transport in the 21st
century.
A. which B. that
C. what D. who
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