Ellen was a painter of birds and of nature, _____, for some reason, had withdrawn from all human society.
---Was it under the tree ____ you were away talking to a friend? --- Sure. But when I got back there, the bike was gone.
We must stop pollution _____ longer.
Who would you rather _____ the report instead of you?
I'm busy now. I'm sorry I can't help ____ the flowers.
In New Zealand, I made lots of friends ___ a very practical knowledge of the English language.