What should we do if we want to develop our village?I think a lot of new roads________---A have built B must be built C must built D must build 我觉得选B.你们觉得呢
问题描述：
What should we do if we want to develop our village?I think a lot of new roads________---
A have built B must be built C must built D must build 我觉得选B.你们觉得呢
答
你的选择是对的：B must be built
这些街路 “需要（被）建造”,因此是 “must be built”