After speaking for three hours, the lecturer found he could scarcely talk, as he had become ______.

单项选择题Baroque has been the term used by art historian for almost a century to ______ the dominant style of the period 1600 ～ 1750.

单项选择题Agriculture must, therefore, ______ workers and savings to the new industrialized, urbanized sectors if a modern economy is to be achieved.