Where _______he_________? Do you know?
The coach guided us________the task.
She is so intelligent that she can________all the math problems.
Kate,remember________for the sick to cheer them up.A.to singB.not to singC.singing
—Do you still remember________with Yao Ming in Beijing?—Yes,of course,three years ago.
My mother prefers to take a bus to her office________she has a car of her own.