Select the most appropriate meaning of the bracketed idiom in the given sentence. The first sample of ore from the trial boring is very promising, but we should remember that ('one swallow does not make a summer.')

Choose the alternative that best expresses the meaning of the given idiom: 'To spill the beans'

Select the most appropriate meaning of the given idiom: 'Clouds on the horizon'

Identify the most appropriate meaning of the given idiom: 'Drive someone up the wall'