问题
选择题
In the last ten years in China, 150 million people moved out of poverty. ______, the challenges
are still great.[ ]
A. However
B. But
C. While
D. Therefore
答案
答案：A
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In the last ten years in China, 150 million people moved out of poverty. ______, the challenges
are still great.[ ]
A. However
B. But
C. While
D. Therefore
答案：A