This river is so big that it is impossible to build a ( ) under it without modern technology.A.caThis river is so big that it is impossible to build a ( ) under it without modern technology.A.canalB.tunnelC.channelD.cable
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This river is so big that it is impossible to build a ( ) under it without modern technology.A.caThis river is so big that it is impossible to build a ( ) under it without modern technology.A.canalB.tunnelC.channelD.cable
This river is so big that it is impossible to build a ( ) under it without modern technology.A.ca
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
This river is so big that it is impossible to build a ( ) under it without modern technology.A.caThis river is so big that it is impossible to build a ( ) under it without modern technology.A.canalB.tunnelC.channelD.cable
B 隧道
B 隧道 这和太宽了,没有现代技术不太可能在水下建隧道
B. tunnel
A. canal运河管道
B. tunnel隧道地道
C. channel海峡,水沟
D. cable电缆
c