Students are often warned that anyone who leaves the classroom at night must remember to __________ all the lights, or he will be fined.
This is not what I ____ him to say.
Why were you absent ___ school yesterday?
While playing on the playground, ____.
He seized me ___ arm.
—____busy schoolwork,the children also have to take arts,music and sports classes in their free time. —I wonder what they will become.