26. Only after we left the building ______ how dangerous the situation had been.
If only you __________ him what I said! Everything would have been all right.
You'll succeed __________because you are always working hard.
A __________snow promises a good harvest next year.
—The cars give off a great deal of waste gas into streets. —Yes. But I'm sure something will be done to __________air pollution.
The performance of the host,__________ to please the audience and draw their attention, was greeted with a cold silence, however.