题目内容
| _____ environmental damage is done, it takes many years for the ecosystem (生态系统) to recover. |
A. Even if B. If only C. While D. Once |
试题答案
DB. If only
C. While
D. Once
_______ environmental damage is done, it takes many years for the ecosystem (生态系统) to recover.
A. Even if B. If only C. While D. Once
查看习题详情和答案>>________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
A．Even if
B．If only
C．While
D．Once
________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
A．Even if
B．If only
C．While
D．Once
________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
A．Even if
B．If only
C．While
D．Once
________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
A．Even if
B．If only
C．While
D．Once
________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
Even if
If only
While
Once
________ environmental damage is done, it takes many years for the ecosystem(生态系统)to recover．
Even if
If only
While
Once