He dropped the ______ and broke it

I have had such a case ______ a boy whispered to his deskmate now and then while I was having lessons.

I heard that we must have _________ teaching building __________ .

George didn’t pass the final examHe _____, while his parents blamed the failure _____ the teacher[ ]

It has been announced that the 2014 World Cup＿＿＿＿＿in Brazil from June 12一July 13，2014，in 12 hosting cities