He________his leg when he________in a football match against another school.
After graduation, Frank often thought of those who had helped him ________ his school life.
A special title was awarded to Zhang Lili, an ordinary Chinese teacher, ________ her act of bravery to rescue two students at the risk of her own life.
—Have you made an apology ________ him ________ breaking his window?—Yes, I have.
Look at this year's sales figures ________ last year's; they're much better.
________ everyone here, I wish you a pleasant journey back to your country.