There _______ some milk and bread on the table. You can have them ______ breakfast.
The river will be dirtier and dirtier________we do nothing to protect them.
—________—I have a fever.
—Mum,I have a cold.—You________go to a doctor.I’ll take you to hospital.
The doctor advised my father to________smoking.
They are used to________classical music and it makes them feel relaxed.