----- How did you know the surprising news?----- I happened _______ the event then.
A red sky in the morning _____ to be a sign of bad weather.
The president _____ a cool reception when he visited London.
He was angry _____ your work. He said that he _____ at all.
The story of his life _____ interesting.
The dish _____ nice, but the milk _____ sour.