______ the damage is done, it will take many years for the farmland to recover.
举一反三
- _________ environmental damage is done, it takes many years for the ecosystem (生态系统) to recover.
- Once environmental damage ______, it takes many years for the system to recover.
- It can take many years to recover ______ the death of a loved one.
- It took western companies many years to ______ from the oil crisis of the mid-70s. A: regain B: recover C: retain D: refresh
- How many years did it take to cut a passage through Mount Yulei?