Perhaps my dishes will not be as delicious as those which you are accustomed to eating, but I beg you to grant my ______ and have dinner with me.

单项选择题With high hopes, the company sent samples of the substance to scientists, but they couldn't ______ any practical uses for it.

单项选择题There was a quick turnover of staff in the department as the manager treated his employees with ______ contempt.