问题
选择题
Mary tries ____ vegetables eleven or twelve times a week because she wants to be ____.
A．eat; healthy
B．eating ; health
C．to eat ;health
D．to eat ;healthy
答案
答案：D
题目分析：句意：Mary每周努力吃十一到十二次蔬菜，因为她想变得健康。Try to do sth.努力做……, health健康，是名词；healthy健康的，形容词；句中要用形容词做表语，故选D。
