---You haven't lost the concert ticket, have you?--______. I know it is not easy to get another one at the moment, but nowhere can I find it.
We all write________, even when there’s not much to say.
The child enjoyed _____ up the wooden bricks then knocking them down.
Although John was the eldest in the family, he always let his sister _____ charge of the house.
This book gives a brief _____ of the history of the castle and details of the art collection in the main hall.
How can we get this language point _____ to the students.