高等继续教育 / 旅游英语
正确率:100%
题型描述: 单选题
1.This river is so big that it is impossible to build a ________ under it while without modern technology.
A.tunnel
B.bridge
C.city
D.bed
1.This river is so big that it is impossible to build a ________ under it while without modern technology.
A.tunnel
B.bridge
C.city
D.bed
参考答案:
佳题速递: