The Forbidden City attracts a _____ stream of visitors every day, especially during national holidays.

Old people need special care in winter, as they are very______ to sudden change of the weather.

34. —How do you find the new job?—It’s hard to find ______ work so that I hardly care what it is ______ I can make a living.

The first African-American president of the United States received a（n） _____ welcome in the African countries, where he was received as a returning son．

Of all the sports shoes, Peter bought     pair. Then he had some money for socks.