25. ―Look! What a mistake! Why?―Sorry, I _________ on it.
They are going to have the serviceman ____ an electric fan in the office tomorrow.
When he arrived, he found ____ the aged and the sick at home.
You cannot be ____ careful when you drive a car.
Time should be made a good use ____ our lessons well.
They arrived there at last, ____.A. was tired and hungry C. being tired and hungryC. tired and hungry D. tiredly and hungrily