Dad, why should I stop _______ computer games— For your study, my boy. You must stop_______ your homework now.

The children decide _____ their school yard this Friday afternoon.

I’m taking a walk aftersupper.—________________.

What were you doing when he ________“hello”to you—I _______in front of the blackboard.

I don’t mind her criticizing me，but ________ is how she does it that I object to.