—Let’s plan a surprise party for our class. What’s your idea?—Why not ________ a short play?
—__________ does he want to be when he __________ ? —He wants to be a computer programmer.
I can’t stand ________ TV for a long time.
------It’s getting cold. Would you mind _________ the window? ------Of course not.
Parents play a role in _________their children.
Of the three pencil boxes, the boy chose __________one.