问题
选择题
People live longer and stay __ today than they did 50 years ago.
A．health
B．healthier
C．healthiest
D．the healthiest
答案
答案：B
本题中含有比较结构than，故要用比较级，stay是连系动词，后应跟形容词healthy的比较级healthier，故选B。
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