——Can you give me some advice on what I said just now?—— Sorry, my mind ______ .
Nobody in the class except you and me _____ to the principal about the air quality problems.
There is an increase of 16% in the consumption of tobacco_____ the previous year.
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.