So far we have done a lot to build a low-carbon economy, but it is __________ ideal. We have to work still harder.
With more forest ______, huge quantities of good earth ____ each year.
Please tell me how the accident ____. I am still in the dark.
____ by his grandparents, Jimmy wasn’t used to living with his parents.
Was it in the village _____ we used to live in ___ the accident happened?
After living there for one year, they have ____ there.