Safety in school has been of great concern because of the frequent reports ____ students got injured or killed while in school.

The firm wof French.

She ______ behind the door in order not to be found. Two minutes later she was safe again.

It ______ to be seen whether Yao Ming will be fit enough to play in the new season.

Korean star PSY’s “Gangnam style” video,________,has set the Guinness World Record for the most “liked” video in YouTubehistory