问题补充:
—What can we do to prevent (避免)being ill?
—We should do more exercise and eat a diet to take good care of .
A. balanced; us
B. balance; ourself
C. balanced; ourselves
D. balancing; our
答案:
A. balanced; us
B. balance; ourself
(答案→)C. balanced; ourselves
D. balancing; our
解析:句意:为了防止疾病,我们能做什么?——我们应该多锻炼,并且吃均衡的饮食来照顾我们自己。结合语境可知前文用形容词作定语,下文用反身代词作宾语,故选C,balanced平衡的;ourselves我们自己。