This river is so big that it is impossible to build a ___B____ under it without modern technology.A.canal B.tunnel C.channel D.cable请高手讲下这道题选A不可以吗,为什么要选B,我将感激不尽!

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. This farm is so big的英语意思是什么? Oh,this farm is so big.怎么回答 This river is so big that it is impossible to build a _______ underit without modern technology.A. canal B.tunnel C. channel D. cable我怎么查的 bc都有隧道的意思 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这题选什么?为什么?请翻译整句 This river is so big that it is impossible to build a ___B____ under it without modern technology.A.canal B.tunnel C.channel D.cable请高手讲下这道题选A不可以吗,为什么要选B,我将感激不尽! this box is big World is so big,my future is very confused,Want to leave this world 改错（Look at this picture.It is a big picture for a park.There are many children in the park.Youcan see a river in the picture,either.Near the river there aren’t some flowers,but a lot of trees are near it.On the trees many birds are singing.So this river is the longestthis is the longset river区别 This shop is so big that I got __(lose)in it.我想知道解题思路 谜语:why is a river so rich? why the river is so rich This is a big eye. This river is long as that river.This river is the same ______ _______ that river保持句意不变 This river is so big that it is impossible to build a _______ under it without modern technology.A.canal(运河小道渠沟) B.tunnel(地道隧道) C.channel(水道路线) D.cable(电缆海底电报)为什么选B?而不选其他?不是很明白又想 This house is （ ） near the river