__________ the second day , I rowed a boat in the river.
A.In
B. On
C.At
【答案】B
【解析】
题目：__________ the second day , I rowed a boat in the river.
关键字：
__________ the second day , I rowed a boat in the river.
A.In
B. On
C.At
【答案】B
【解析】