--- How did you with that idea?--- I read a book.
_____ Chinese basketball player Yao Ming will probably return to the NBA if he can recover from _____ earlier injury.
This has been my life. I have found it worth living, and ____ it gladly again if I _____ the chance.
If the weather had been better, we could have had a picnic. But it ____ all day.
He got well-prepared for the job interview, for he couldn’t risk _____ the good opportunity.
I feel that one of my main duties _____ a teacher is to help the students to become better learners.