----Many online games are full of violence, which do harm to the development of the children.      ----And that’s _______ my concern lies.

 _____ seems strange to all of us is _____ the girl is crazy about football. 

 Faced with difficulties, you should believe your confidence is _______ makes a difference.

_____ is certain is ______ the mystery of Stonehenge has never been fully explained.

“I was touched by the children here who called me ‘Grandpa Wen’ because that’s _______the Chinese children call me at home,” said former premier Wen Jiabao in India．