— Would you mind if I turned the TV down?— ________.
It is reported that the United States uses _____ energy as the whole Europe.
In peace, too,the Red Cross is expected to send help _____ there is human suffering.
Mr. Smith has bought a new house in the country, around _____ some green trees.
I'd like to have visited the Palace Museum last week, but something unexpected _____to my father.
—What are you busy with? —The conference _____in our city next week, as you know.