--- ______ was it ______ they discovered the entrance to the underground palace? --- Totally by chance.
Sarah looked at _________ finished painting with __________satisfaction.
—Do you mind my asking you a rather personal question? — Not at all.________.
Some new factories _______ in our city next year.
He went home ________ some books.
According to the timetable, the train for Athens _____at seven o’clock in the evening.