Use up example sentences

While growing, they may use up all the oxygen dissolved in water.You will not use up this entire extra income but save a certain fraction, say 20 per cent, of it to build up a cushion of savings for the period when you cease to earn income, or for meeting large expenses in future.We learn to cope with small, everyday changes but major life events can be stressful, because they disturb our routine and cause upheaval.