The 2014 FIFA World Cup will be held in Brazil on June 13th, 2014, and 32 football teams so far.
30. The pilot, whether ______ or design, made the plane do a sharp turn.
29. If you ______ go, at least wait until the rain stops.
28. The reason for his success is ______ he worked very hard.
27. He couldn’t ______ the fact that the money was found in his house.
26. —Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.