By the time she went outside, the bus ____already ______ .

A professor in Beijing University, believed that business inthe market economy must __ the right balancebetween theirpursuit of profits and the needs of customers.

al is the second largest French-speaking city inthe world, Paris _____ the largest.

Not far from the club, there was a garden, ____ owner seated in it playing bridge with his children every afternoon.

What ____ to him yesterday?