This river is so big that it is impossible to build a _______ under it without modern technology.
This river is so big that it is impossible to build a _______ under it without modern technology.
A.canal
B.tunnel
C.channel
D.cable
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明：本文由翰林刷题小程序授权发布，如需转载请注明出处。