—How did the writer win the prize?—He worked day and night for two years. ______ . he succeeded.
--- Do you know Tom very well? --- Yes, he and I _______ friends since we met in yangshan the year before.
Italy is famous for _____.
I won’t go to the concert because I ________ my ticket.
_______ great fun it is to fly in a balloon!
He has been a member of the Football Club _______.