--Who did you ___ in the street last Sunday?---Lin Tao, a good friend of mine.
Life is like a long race _____we compete with others to go beyond ourselves.
Unsatisfied ______with the payment ,he took the job just to get some work experience.
—Hi, Tom . Any idea where Jane is?—She _____in the classroom . I saw her there just now.
We should consider the students’ request ___the school library provide more books on popular science.
Professor Williams keeps telling his students that the future ______to the well-educated.