The achievements we have made are largely ___ the hard work of our parents and teachers.
—I am sure Mary will win the first prize in the final. —I think so. She______ for it for months.
—Thank you for your wonderful meal. —______.
He was late for the meeting because the bus he took ______ halfway.
Most of the big hotels in Shanghai were full last week, But finally we ______find a room in a small one.
Tom has been out of work for two years, so he has difficulty______.