问题
选择题
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
答案
答案:C
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
答案:C