—Could you turn the TV down a little bit?—I'm sorry. Is it ______ you?
In the history of Chinese revolution, Taierzhuang Battle was a ________ battle in which both sides suffered heavy losses.
________ some teenagers don’t realize is ________ difficult life can be after they get addicted to drugs.
Please correct the mistakes ________.
The ________ look on his face suggested he ________ that.
Attention, please! And keep ________ when I am taking a photograph of you.