问题
选择题
people in the world are suffering from the H1N1 flu. [ ]
A. Several thousands of
B. Ten thousands
C. Thousands of
D. Thousands
答案
答案：C
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people in the world are suffering from the H1N1 flu. [ ]
A. Several thousands of
B. Ten thousands
C. Thousands of
D. Thousands
答案：C