____ to get a ticket for the 2013 FIFA World Cup, George has been standing in a queue for two days.
We must believe in ourselves,_______, I think, is the most important in our life.
She has some difficulty in starting the car, but she doesn’t know whom to______.
They told me that the museum was well worth________.
Look out! Don’t get too close to the house________ roof is under repair.
Though he failed in the experiment again and again, he didn’t______, and at last, he made it.