问题
选择题
After the operation,my brother is now ______ on his feet and is living an active life. [ ]
A. part
B. down
C. back
D. up
答案
答案：C
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After the operation,my brother is now ______ on his feet and is living an active life. [ ]
A. part
B. down
C. back
D. up
答案：C