Because the driver was not ________ the new limit, he was stopped and warned for speeding.[ ]

The employee to impress the company with his cleverness and promptness.

If he did not know them，he would greet them with a few words about weather，but if he did，he would ask about their families or make jokes，always cutting his cloth ______his customers.

The Chinese people _____hard-working andbrave

More and more high-rise buildings have been built inbig cities __________ space.