问题
单项选择题
All removals to be reassembled in order（）of repairs.
A.upon commencement
B.on completion
C.before ending
D.after beginning
答案
参考答案：C
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All removals to be reassembled in order（）of repairs.
A.upon commencement
B.on completion
C.before ending
D.after beginning
参考答案：C