问题
选择题
In big cities during cold winter, many old people ________ the dirty air. [ ]
A. die to
B. die of
C. die for
D. die from
答案
答案：D
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In big cities during cold winter, many old people ________ the dirty air. [ ]
A. die to
B. die of
C. die for
D. die from
答案：D