More and more people are willing to ________ part of their incomes to school children in the povertystricken areas.
_________ for the free tickets, I would not have gone to the films so often.
I think they failed to accomplish the task, ______?
You might as well expect a river to flow backward ____ us carrying out the plan.
________had the worker who was badly injured in that accident stopped breathing and died________ doctors arrived.
So fast _____it is difficult for us to imagine its speed.