题目内容
() 20. Early the morning of May 1 ,we started off the mountain village.
A. on;for B. on;不填
C. in;for D. in;to
20. A
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题目内容
() 20. Early the morning of May 1 ,we started off the mountain village.
A. on;for B. on;不填
C. in;for D. in;to