问题
选择题
—Will people live to be 200 years old?
—_______. [ ]
A. No, they don't
B. No, they won't
C. No, they aren't
答案
答案：B
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—Will people live to be 200 years old?
—_______. [ ]
A. No, they don't
B. No, they won't
C. No, they aren't
答案：B