They discussed the issue of the world’s climate in Durban, South Africa several times but could come to no ________.
Both the summer and winter Olympic Games every four years.
How did you such a clever way out of difficulty?
You will sooner or later if you keep working like that.
. We wanted to get home before dark, but it didn’t quite _____ as planned.
. —Why do you look worried? —There are so many problems______.