—__________ do I have to change the robot’s batteries? —Every two months.
—Good news! There is _____ a birthday party this weekend.—Great.I was told it was Mary’s _____ birthday this weekend.
Will you please tell us _______ before you came to our city?
_____ film it is!
The box is _____ heavy _____ carry.
They are the girls who _____ from No. 1 middle school.