______ the dangerous situation, he was not nervous but handled it in a clever way

My new novel has disappeared.Who _______ have taken it?

— why don’t we choose that road to save time?— The bridge to it _____.[ ]

I’ll lend you the money only on ______you can pay ______on time.

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