单项选择题Kuwait faces an aging population as well as an epidemic of diabetes, heart disease and obesity-related complications that place great demands ______ its health care system.

A. with
B. for
C. to
D. on


延伸阅读

你可能感兴趣的试题

2.单项选择题The popularity of the film shows that the reviewers’ fear was totally ______.

A. unjustified
B. unjust
C. misguided
D. unaccepted