问题
选择题
．_______from the top of the tower, the north foot of the mountain is a sea of flowers．
A．Seeing
B．Having seen
C．Seen
D．To see
答案
答案：C
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．_______from the top of the tower, the north foot of the mountain is a sea of flowers．
A．Seeing
B．Having seen
C．Seen
D．To see
答案：C