In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
This problem is ______ his ability and 1 don't think he can solve it.
I was almost asleep last night when I suddenly heard someone ______ at the door.
It wasn't such a good job ______ she had read about in the advertisement.
She didn't go to the party last night, ______ she had to finish her term paper.
It's my great honor ______ to give a speech at the opening ceremony.