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

How can I succeed soon? ————Oh， be patient. Put your heart into your studies and you will ________.

One should stick to ______one has begun.

Speaking of all the songs she has sung，I think this is probably her ______ one.

There is no need _________, because the flight has been cancelled.[ ]