Even today a water engineering project is still hard to build because _______.
A、it takes time
B、it needs to be tackled with skill
C、It will damage the natural environment
D、a lot of efforts are needed.
发布时间:2024-12-12 21:52:48
A、it takes time
B、it needs to be tackled with skill
C、It will damage the natural environment
D、a lot of efforts are needed.