Mike is _____ eight-year-old boy. But he plays_____ guitar very well.

Wendy, don’t waste the food! all the vegetables on the plate.

Running every morning is good _____ your health. [ ]

Look at the girl! Is it Susan? —No, it __________ be her. She has gone back to her hometown.

Is Mr Brown famous ______ his poems? —Yes, but he isn’t known _______ a poet. [ ]