Look! Some people are running the red lights.— We should wait ______ others are breaking the rule.

The train is due to leave at 7：50.—________ we fail to arrive there in time?—I’m afraid you’d better go in a hurry

—Look, I’ve got admission to Harvard University for a short­term study next semester.—How fantastic! You ________ a different university life then.

Five athletes competed_____ the gold medal _____ each other _____ the 100-meter dash

Being honest is the first ______ if you want to makefriends with others.