Hillary Clinton arrived in Pyongyang on August 4, 2009, ______ the start of the short visit to Korea. [ ]

e photographs in this book, _______ stated otherwise, date from the 1950s

Internet is ________ used by people, especially by young people.

The little boy pretended ____________when his mother came in.

On the stage a number of famous singers, songs welcomed by the majority of young people.