问题补充:
If you want to keep healthier, you must eat vegetables and meat.
A. more, more
B. less, less
C. fewer, more
D. more, less
答案:
A. more, more
B. less, less
C. fewer, more
(答案→)D. more, less
解析:句意:如果你想更健康,你必须多吃蔬菜少吃肉。vegetables可用many修饰,more是many的比较级;meat是不可数名词,用little修饰,比较级用less.故选D.