The professor _______ to walk out of the office when one of his students came in.
—Do you know our town at all? — No, this is the first time I ______ here.
Americans eat ___ vegetables per person today as they did in 1910.
How beautiful she sings! I have never heard _______
Watch out! The car you .
By the time he was 14, Mozart many pieces of music for violin, piano and for orchestra.